Recover Window 10 key - Microsoft Community

hi,

i had moved window 7 window 10 enjoying window 10. few days ago had dual boot pc linux , in prcess i acciddently formated harddrive. kindly me how can licenced ky win 10. 

if login in win 10 email id or there other way.

when upgraded previous version of windows or receive new computer preinstalled windows 10, happened hardware (your pc) digital entitlement, unique signature of computer stored on microsoft activation servers. windows 7 or windows 8 genuine license running exchanged diagnostics key.

anytime need reinstall windows 10 on machine, proceed reinstall windows 10. automatically reactivate. you prompted enter product key couple times through installation, click don't have key , later.

there no need know or new key, if have issues digital licensing or activation troubleshooter, can utilize existing windows 7 or windows 8/8.1 product key you ownto reactivate if necessary. or use reset function in windows 10.

step 1: how download official windows 10 iso files

step 2: how to: perform clean install of windows 10

Windows / Windows 10 / Install, upgrade, & activate / PC