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Yuav ua li cas kom huv si nruab Windows 10

Sim Peb Cov Twj Rau Kev Tshem Tawm Cov Teeb Meem





Tshaj tawm rauHloov kho tshiab kawg: Lub Ob Hlis 16, 2021

Yog tias koj tab tom ntsib teeb meem nrog koj qhov kev teeb tsa tam sim no ntawm Windows 10 thiab tau sim txhua qhov kev txhim kho kom daws tau qhov teeb meem tab sis tseem daig ces koj yuav tsum ua kom huv si nruab ntawm Windows 10. Kev ntxuav huv ntawm Windows 10 yog txheej txheem uas yuav tshem tawm koj. hard disk thiab nruab ib daim ntawv tshiab ntawm Windows 10.



Qee zaum, PCs windows tau corrupted los yog qee tus kab mob lossis malware tawm tsam koj lub computer vim tias nws tsis ua haujlwm zoo thiab pib tsim teeb meem. Qee lub sij hawm, qhov xwm txheej hnyav zuj zus thiab koj yuav tsum rov nruab koj lub Qhov rai, lossis yog tias koj xav hloov kho koj lub qhov rais tom qab ntawd ua ntej rov nruab koj lub qhov rais lossis kho koj lub qhov rais, nws raug qhia kom ua qhov kev teeb tsa huv ntawm Windows 10.

Yuav ua li cas kom huv si nruab Windows 10



Cov ntsiab lus[ zais ]

Yuav ua li cas kom huv si nruab Windows 10 Yooj yim

Ntxuav Kev Txhim Kho ntawm Windows 10 txhais tau tias tshem tawm txhua yam ntawm PC thiab nruab ib daim ntawv tshiab. Qee lub sij hawm, nws tseem raug xa mus ua kev cai nruab. Nws yog qhov kev xaiv zoo tshaj plaws los tshem tawm txhua yam ntawm lub computer thiab hard drive thiab pib txhua yam ntawm kos. Tom qab kev teeb tsa huv ntawm Windows, PC yuav ua raws li PC tshiab.



Clean Install ntawm Windows yuav pab kom tshem tau cov teeb meem hauv qab no:

Nws yog ib txwm hais kom ua kom huv si thaum koj hloov kho koj lub Windows hais los ntawm cov ntawv dhau los mus rau ib qho tshiab vim nws yuav tiv thaiv koj lub PC los ntawm nqa cov ntaub ntawv tsis xav tau thiab cov apps uas tom qab ntawd tuaj yeem ua rau koj lub qhov rais puas.



Clean Install tsis yooj yim rau kev ua rau Windows 10 tab sis koj yuav tsum ua nws los ntawm kev ua raws cov kauj ruam kom raug vim tias cov kauj ruam tsis raug yuav ua rau koj lub PC thiab Windows puas.

Hauv qab no muab cov txheej txheem tsim nyog los ntawm cov txheej txheem los npaj kom zoo thiab ua tiav kev teeb tsa huv ntawm Windows 10 rau txhua yam koj xav ua.

1. Npaj koj lub cuab yeej rau kev txhim kho huv

Qhov tseem ceeb tshaj plaws uas yuav tsum nco ntsoov ua ntej ua qhov kev teeb tsa huv yog thaum lub installation tiav tiav, txhua txoj haujlwm koj tau ua tiav siv kev khiav hauj lwm qhov system yuav ploj mus thiab koj yuav tsis tau rov qab. Tag nrho cov apps koj tau nruab, tag nrho cov ntaub ntawv koj muaj cov ntaub ntawv, tag nrho cov ntaub ntawv tseem ceeb uas koj tau cawm, txhua yam yuav ploj mus. Yog li, nws yog ib qho tseem ceeb rau thaub qab koj cov ntaub ntawv tseem ceeb ua ntej pib lub installation huv si ntawm Windows 10.

Kev npaj ib lub cuab yeej tsis koom nrog tsuas yog thaub qab ntawm cov ntaub ntawv tseem ceeb, muaj qee qhov lwm cov kauj ruam uas koj yuav tsum ua raws li kev txhim kho kom zoo. Hauv qab no yog muab cov kauj ruam no:

ib. Backup koj cov ntaub ntawv tseem ceeb

Raws li koj paub cov txheej txheem installation yuav rho tawm txhua yam ntawm koj lub PC yog li nws yog qhov zoo dua los tsim cov thaub qab ntawm tag nrho cov ntaub ntawv tseem ceeb, cov ntaub ntawv, duab, yeeb yaj duab, thiab lwm yam.

Koj muaj peev xwm tsim ib tug thaub qab los ntawm uploading tag nrho cov ntaub ntawv tseem ceeb ntawm OneDrive los yog nyob rau hauv huab los yog nyob rau hauv ib qho kev cia sab nraud uas koj tuaj yeem ua kom muaj kev nyab xeeb.

Txhawm rau upload cov ntaub ntawv ntawm OneDrive ua raws li hauv qab no cov kauj ruam:

  • Nyem rau Start thiab tshawb rau OneDrive siv qhov tshawb nrhiav bar thiab ntaus lub pob nkag rau ntawm cov keyboard. Yog tias koj tsis pom OneDrive, ces rub tawm los ntawm Microsoft.
  • Nkag mus rau koj Microsoft email id thiab password thiab nyem rau tom ntej. Koj li OneDrive nplaub tshev yuav raug tsim.
  • Tam sim no, qhib FileExplorer thiab nrhiav OneDrive folder ntawm sab laug thiab qhib nws.
    Luam thiab muab koj cov ntaub ntawv tseem ceeb nyob ntawd thiab nws yuav cia li sync nrog OneDrive huab los ntawm tus neeg siv khoom hauv keeb kwm yav dhau.

Qhib OneDrive ntawm koj lub vev xaib uas koj nyiam

Txhawm rau khaws cov ntaub ntawv ntawm kev cia sab nraud ua raws cov kauj ruam hauv qab no :

  • Txuas ib lwm yam khoom siv tshem tau rau koj lub PC.
  • Qhib FileExplorer thiab luam tag nrho cov ntaub ntawv koj xav tsim ib qho thaub qab.
  • Nrhiav txoj hauj lwm ntawm lub cuab yeej tshem tau, qhib nws, thiab muab tag nrho cov ntsiab lus theej rau ntawd.
  • Tom qab ntawd tshem tawm cov cuab yeej tshem tau thiab ua kom nws nyab xeeb.

Txhim kho Sab Nraud Hard Drive Tsis tshwm sim lossis lees paub

Tsis tas li ntawd, sau tseg cov khoom tseem ceeb rau tag nrho cov apps koj tau teeb tsa kom koj tuaj yeem rov nruab lawv tom qab.

Kuj Nyeem: b. Downloading ntaus ntawv tsav tsheb

Txawm li cas los xij, kev teeb tsa nws tus kheej tuaj yeem pom, download tau thiab nruab tag nrho cov cuab yeej tsav tsheb tab sis nws yuav ua tau tias qee tus tsav tsheb tsis tuaj yeem kuaj pom yog li nws tau qhia kom rub tawm thiab nruab tag nrho cov tsav tsheb tshiab kom tsis txhob muaj teeb meem tom qab.

Txhawm rau rub tawm cov tsav tsheb tshiab ua raws cov kauj ruam hauv qab no:

  • Qhib pib thiab nrhiav rau Tus Thawj Tswj Ntaus Ntawv siv qhov tshawb nrhiav bar thiab ntaus lub pob nkag rau ntawm cov keyboard.
  • Koj Tus Thawj Tswj Ntaus Ntaus uas muaj cov ntaub ntawv ntawm tag nrho cov software thiab kho vajtse yuav qhib.
  • Nthuav cov qeb uas koj xav upgrade tus tsav tsheb.
  • Hauv qab nws, right-click lub cuab yeej thiab nyem rau ntawm Hloov tshiab tsav tsheb.
  • Nyem rau Nrhiav cia li hloov tshiab tsav tsheb software.
  • Yog hais tias yuav muaj ib qho tshiab version ntawm tus tsav tsheb muaj, nws yuav nruab thiab rub tawm tau.

Right-click rau koj lub Network adapter thiab xaiv Hloov tshiab tsav tsheb

c. Paub txog Windows 10 qhov system yuav tsum tau ua

Yog tias koj tab tom ua qhov kev teeb tsa huv si kom koj tuaj yeem hloov kho Windows 10, tom qab ntawd nws feem ntau tshwm sim tias tus tshiab version yuav sib xws nrog cov khoom siv tam sim no. Tab sis yuav ua li cas yog tias koj hloov kho Windows 10 los ntawm Windows 8.1 lossis Windows 7 lossis lwm yam, ces nws yuav ua tau tias koj cov khoom siv tam sim no yuav tsis txhawb nws. Yog li, ua ntej ua li ntawd nws yog ib qho tseem ceeb uas yuav tsum tau saib rau qhov yuav tsum tau muaj ntawm Windows 10 rau kho vajtse hloov kho nws.

Cov cai hauv qab no yuav tsum tau ua kom tiav rau nruab Windows 10 hauv ib qho Hardware:

  • Nws yuav tsum muaj lub cim xeeb ntawm 1GB rau 32-ntsis thiab 2GB rau 64-ntsis.
  • Nws yuav tsum muaj 1GHZ processor.
  • Nws yuav tsum tuaj nrog qhov tsawg kawg nkaus ntawm 16GB cia rau 32-ntsis thiab 20GB rau 64-ntsis.

d. Tshawb xyuas Windows 10 ua kom tiav

Windows up-gradation los ntawm ib qho mus rau lwm qhov yuav tsum tau nkag mus rau cov khoom tseem ceeb thaum teeb tsa. Tab sis yog tias koj tab tom ua haujlwm huv si los txhim kho Windows 10 los ntawm Windows 10 lossis xav rov nruab Windows 10, tom qab ntawd koj yuav tsum tsis txhob nkag mus rau cov khoom tseem ceeb dua thaum lub teeb tsa vim nws yuav rov qhib tau thaum nws yuav txuas nrog Is Taws Nem tom qab ua tiav kev teeb tsa.

Tab sis koj tus yuam sij yuav qhib tau tsuas yog yog tias nws tau qhib ua ntej lawm. Yog li, nws yog qhov zoo dua ua ntej kev teeb tsa huv si txhawm rau txheeb xyuas tias koj cov khoom tseem ceeb yog qhib kom raug.

Txhawm rau ua qhov no, ua raws cov kauj ruam hauv qab no:

  • Qhib chaw thiab nyem rau Hloov tshiab thiab ruaj ntseg.
  • Nyem rau qhov ua kom muaj nyob rau sab laug.
  • Hauv qab qhov rais nrhiav cov Qhib cov lus.
  • Yog tias koj cov khoom lag luam lossis tus yuam sij daim ntawv tso cai qhib nws yuav qhia cov lus Windows tau qhib nrog daim ntawv tso cai digital txuas rau koj tus account Microsoft.

Windows tau qhib nrog daim ntawv tso cai digital txuas rau koj tus account Microsoft

e. Kev yuav khoom tus yuam sij

Yog tias koj tab tom ua qhov kev teeb tsa huv los hloov kho Windows los ntawm cov laus dua piv txwv li los ntawm Windows 7 lossis los ntawm Windows 8.1 rau Windows 10 ces, koj yuav xav tau cov khoom lag luam uas yuav raug nug kom nkag siab thaum lub sijhawm teeb tsa.

Txhawm rau kom tau txais cov khoom lag luam koj yuav tsum tau yuav nws los ntawm Microsoft Store siv cov kab hauv qab no:

f. Disconnecting cov khoom uas tsis tseem ceeb txuas

Qee cov cuab yeej tshem tau xws li tshuab luam ntawv, scanners, USB li, Bluetooth, SD phaib, thiab lwm yam yog txuas rau koj lub khoos phis tawj uas tsis tas yuav tsum tau ua kom huv si thiab lawv yuav tsim teeb meem hauv kev teeb tsa. Yog li, ua ntej pib txheej txheem ntawm kev teeb tsa huv si koj yuav tsum txiav tawm lossis tshem tawm tag nrho cov khoom siv tsis tas yuav tsum tau ua.

2. Tsim USB bootable media

Tom qab npaj koj lub cuab yeej rau kev teeb tsa huv, lwm yam uas koj yuav tsum tau ua los ua kom huv si yog tsim USB bootable media . USB bootable media uas tuaj yeem tsim siv Media Creation Tool lossis siv cov cuab yeej thib peb xws li Rufus.

Tsim cov xov xwm teeb tsa rau lwm lub PC

Thaum cov kauj ruam saum toj no ua tiav, koj tuaj yeem tshem tawm USB flash drive txuas thiab tuaj yeem siv nws los ua qhov kev teeb tsa huv ntawm Windows 10 uas nws kho vajtse ua tau raws li qhov xav tau.

Yog tias koj tsis tuaj yeem tsim USB bootable media siv Media tsim cov cuab yeej ces koj tuaj yeem tsim nws siv tus thib peb app. RUFUS.

Txhawm rau tsim USB bootable media siv cov cuab yeej thib peb Rufus ua raws li hauv qab no cov kauj ruam:

  • Qhib lub vev xaib official ntawm Rufus siv koj lub web browser.
  • Hauv qab download nyem rau ntawm qhov txuas ntawm cov cuab yeej tso tawm tshiab thiab koj download yuav pib.
  • Thaum ua tiav downloaded, nyem rau ntawm lub nplaub tshev kom tso lub cuab yeej.
  • Hauv qab ntaus ntawv xaiv USB tsav uas muaj tsawg kawg yog 4GB qhov chaw.
  • Hauv kev xaiv khau raj, nyem rau ntawm Xaiv muaj nyob rau sab xis.
  • Xauj mus rau lub nplaub tshev uas muaj Windows 10 ISO file ntawm koj lub cuab yeej.
  • Xaiv cov duab thiab nyem rau ntawm Qhib khawm qhib nws.
  • Hauv kev xaiv duab, xaiv Standard Windows installation.
  • Nyob rau hauv cov txheej txheem muab faib thiab hom phiaj hom phiaj, xaiv GPT.
  • Nyob rau hauv lub hom phiaj system, xaiv lub UEFI kev xaiv.
  • IN nyob rau hauv lub Volume label, sau lub npe rau tus tsav.
  • Nyem rau Show advanced hom xaiv khawm thiab xaiv Hom ntawv ceev thiab Tsim cov ntawv txuas ntxiv thiab cov ntaub ntawv icon yog tias tsis xaiv.
  • Nyem rau Start khawm.

Tam sim no nyob rau hauv Tsim lub bootable disk siv ISO duab nyem lub cim tsav ntawm nws

Tom qab ua tiav cov kauj ruam saum toj no, USB bootable media yuav raug tsim siv Rufus.

3. Yuav ua li cas ua kom huv si installation ntawm Windows 10

Tam sim no, tom qab ua tiav ob kauj ruam saum toj no ntawm kev npaj cov cuab yeej thiab tsim USB bootable, xov xwm, cov kauj ruam kawg tseem yog kev txhim kho huv ntawm Windows 10.

Txhawm rau pib cov txheej txheem ntawm kev teeb tsa huv, txuas lub USB tsav uas koj tau tsim USB bootable media rau koj lub cuab yeej uas koj yuav ua tiav kev teeb tsa huv ntawm Windows 10.

Txhawm rau ua qhov kev teeb tsa huv ntawm Windows 10, ua raws cov kauj ruam hauv qab no:

1. Pib koj ntaus ntawv siv USB bootable media uas koj yuav tau txais los ntawm ib tug USB ntaus ntawv uas koj nyuam qhuav txuas rau koj ntaus ntawv.

2. Thaum lub Windows teeb tsa qhib, ntxuav rau Tom ntej no mus ntxiv.

Xaiv koj hom lus ntawm windows 10 installation

3. Nyem rau Nruab tam sim no khawm uas yuav tshwm sim tom qab cov kauj ruam saum toj no.

nyem rau nruab tam sim no ntawm windows installation

4. Tam sim no ntawm no nws yuav hais kom koj mus Qhib qhov rais los ntawm kev nkag mus rau cov khoom tseem ceeb . Yog li, yog tias koj tab tom txhim kho Windows 10 thawj zaug lossis hloov kho Windows 10 los ntawm cov laus dua li Windows 7 lossis Windows 8.1 ces koj yuav tsum tau muab cov khoom tseem ceeb uas koj tau yuav los ntawm kev sib txuas hauv qab no.

5. Tab sis, yog tias koj rov nruab Windows 10 vim yog vim li cas, koj tsis tas yuav muab cov khoom lag luam tseem ceeb raws li koj tau pom ua ntej tias nws yuav raug qhib thaum lub sijhawm teeb tsa. Yog li kom ua tiav cov kauj ruam no koj tsuas yog yuav tsum nyem rau ntawm Kuv tsis muaj tus yuam sij khoom .

Yog koj

6. Xaiv ib tsab ntawm Windows 10 uas yuav tsum phim cov khoom tseem ceeb uas activates.

Xaiv ib tsab Windows 10 ces nyem Next

Nco tseg: Cov kauj ruam xaiv no tsis muaj feem xyuam rau txhua yam khoom siv.

7. Nyem rau ntawm qhov Tom ntej no khawm.

8. Kos npe Kuv lees txais cov ntawv tso cai ces nias Tom ntej no.

Checkmark Kuv lees txais cov lus tso cai ces nyem Next

9. Nyem rau Kev Cai: Nruab Windows nkaus xwb (advanced) kev xaiv.

Custom Install Windows nkaus xwb (advanced)

10. Ntau qhov sib faib yuav raug qhia. Xaiv qhov muab faib uas lub qhov rais tam sim no tau teeb tsa (feem ntau nws yog Drive 0).

11. Hauv qab no yuav muab ntau yam kev xaiv. Nyem rau Rho tawm rho tawm nws los ntawm lub hard drive.

Nco tseg: Yog tias muaj ntau lub partitions muaj ces koj yuav tsum rho tawm tag nrho cov partitions thiaj li yuav ua kom tiav qhov huv nruab ntawm Windows 10. Koj yuav tsum tsis txhob txhawj txog cov partitions. Lawv yuav raug tsim los ntawm Windows 10 thaum lub sijhawm teeb tsa.

12. Nws yuav nug kom paub meej kom tshem tawm cov kev faib xaiv. Nyem rau Yes kom paub meej.

13. Tam sim no koj yuav pom tag nrho koj cov partitions yuav raug tshem tawm thiab tag nrho cov chaw yog unallocated thiab muaj nyob rau siv.

14. Xaiv lub unallocated los yog khoob tsav ces nyem Tom ntej no.

Xaiv lub unallocated los yog khoob tsav.

15. Thaum cov kauj ruam saum toj no ua tiav, koj lub cuab yeej raug ntxuav thiab tam sim no teeb tsa yuav mus rau nruab Windows 10 ntawm koj lub cuab yeej.

Thaum koj qhov kev teeb tsa tiav lawm, koj yuav tau txais daim ntawv theej tshiab ntawm Windows 10 yam tsis muaj ib qho twg uas nws tau siv ua ntej.

4. Ua kom tiav Out-Of-Box-Experience

Tom qab ua tiav kev teeb tsa ntawm ib daim qauv tshiab ntawm Windows 10, koj yuav tsum tau Ua tiav-ntawm-lub thawv-kev paub (OOBE) los tsim ib tus account tshiab thiab teeb tsa txhua qhov kev hloov pauv ib puag ncig.

OOBE siv yog nyob ntawm seb qhov versions ntawm Windows 10 koj tab tom txhim kho. Yog li, xaiv OOBE raws li koj qhov Windows 10 version.

Txhawm rau ua kom tiav tawm ntawm lub thawv-kev paub ua raws li hauv qab no cov kauj ruam:

  • Ua ntej, nws yuav nug koj xaiv koj cheeb tsam. Yog li, ua ntej, xaiv koj cheeb tsam.
  • Tom qab xaiv koj cheeb tsam, nyem rau ntawm Yes khawm.
  • Ces, nws yuav nug txog lub keyboard layout yog nws yog los tsis yog. Xaiv koj cov keyboard layout thiab nyem rau Yes.
  • Yog tias koj cov keyboard layout tsis sib xws los ntawm ib qho muab los saum toj no, nyem rau Ntxiv layout thiab ntxiv koj cov keyboard layout thiab ces nias rau Yes. Yog tias koj pom koj cov keyboard layout ntawm cov kev xaiv saum toj no ces nyem rau ntawm hla.
  • Nyem rau Teeb tsa rau kev xaiv siv tus kheej thiab nias rau Next.
  • Nws yuav hais kom koj nkag mus rau koj Microsoft account cov ntsiab lus xws li email chaw nyob thiab password . Yog tias koj muaj Microsoft account ces nkag mus rau cov ntsiab lus no. Tab sis yog tias koj tsis muaj Microsoft account ces nyem rau ntawm tsim ib tus account thiab tsim ib qho. Tsis tas li ntawd, yog tias koj tsis xav siv Microsoft account ces nyem rau ntawm Offline account muaj nyob rau hauv qab-sab laug ces kaum. Nws yuav tso cai rau koj los tsim ib tus account hauv zos.
  • Nyem rau ntawm qhov Tom ntej no khawm.
  • Nws yuav hais kom koj tsim tus pin uas yuav siv los qhib lub cuab yeej. Nyem rau Tsim tus PIN.
  • Tsim koj tus lej 4 tus lej thiab tom qab ntawd nyem Ok.
  • Sau koj tus lej xov toojlos ntawm qhov koj xav txuas koj lub cuab yeej rau koj lub xov tooj thiab tom qab ntawd nyem rau ntawm lub pob xa. Tab sis cov kauj ruam no yog xaiv tau. Yog tias koj tsis xav txuas koj lub cuab yeej rau tus lej xov tooj hla nws thiab tuaj yeem ua nws tom qab. Yog tias koj tsis xav sau tus lej xov tooj nyem rau ntawm Ua nws tom qab muaj nyob rau hauv qab-sab laug ces kaum.
  • Nyem rau ntawm qhov Tom ntej no khawm.
  • Nyem rau Next yog tias koj xav teeb tsa OneDrive thiab xav khaws tag nrho koj cov ntaub ntawv ntawm Drive. Yog tias tsis yog ces nyem rau Tsuas khaws cov ntaub ntawv rau lub PC no muaj nyob hauv qab-sab laug ces kaum.
  • Nyem rau Txais siv Cortana txwv tsis pub nias rau Decline.
  • Yog tias koj xav nkag mus rau koj cov keeb kwm kev ua ub no hla cov khoom siv ces qhib lub sijhawm los ntawm txhaj rau Yes txwv tsis pub nyem rau ntawm Tsis yog.
  • Teem tag nrho cov kev ceev ntiag tug raws li koj xaiv rau Windows 10.
  • Nyem rau ntawm qhov Txais khawm.

Thaum cov kauj ruam saum toj no yuav ua tiav, tag nrho cov chaw thiab kev teeb tsa yuav tiav thiab koj yuav ncaj qha mus rau desktop.

Clean Install Windows 10

5. Tom qab kev teeb tsa ua haujlwm

Ua ntej siv koj lub cuab yeej, muaj qee cov kauj ruam sab laug uas koj yuav tsum ua kom tiav ua ntej.

a) Tshawb xyuas cov ntawv luam tawm ntawm Windows 10

1. Mus rau tej chaw thiab nias rau Hloov tshiab thiab ruaj ntseg.

2. Nyem rau Ua kom muaj nyob rau sab laug.

Windows tau qhib nrog daim ntawv tso cai digital txuas rau koj tus account Microsoft

3. Paub meej tias Windows 10 yog qhib los yog tsis.

b) Nruab tag nrho cov Hloov Kho Tshiab

1. Qhib chaw thiab nyem rau Hloov tshiab thiab ruaj ntseg.

2. Nyem rau Txheeb xyuas qhov hloov tshiab.

Tshawb nrhiav Windows Updates

3. Yog tias muaj kev hloov kho tshiab, lawv yuav rub tawm thiab nruab tau.

Kos rau Hloov Kho Windows yuav pib rub tawm cov hloov tshiab

Tam sim no koj zoo mus thiab tuaj yeem siv tshiab hloov tshiab Windows 10 yam tsis muaj teeb meem.

Ntau Windows 10 cov peev txheej:

Qhov ntawd yog qhov kawg ntawm kev qhia thiab kuv vam tias tam sim no koj tuaj yeem ua tau ua qhov kev teeb tsa huv ntawm Windows 10 siv cov kauj ruam saum toj no. Tab sis yog tias koj tseem muaj lus nug lossis xav ntxiv ib yam dab tsi ntxiv, thov hu rau siv cov lus qhia.

Elon Decker

Elon yog tus kws sau ntawv thev naus laus zis ntawm Cyber ​​S. Nws tau sau cov lus qhia yuav ua li cas txog 6 xyoo tam sim no thiab tau hais txog ntau yam. Nws nyiam npog cov ncauj lus hais txog Windows, Android, thiab cov lus qhia tshiab thiab cov lus qhia.