1.Go to check what version of windows 10
2.Go to search type
Command Prompt or CMD and run it as Administrator
3.Then Type : Dism
/Online /Get-TargetEditions
4.Enter : sc config LicenseManager
start= auto & net start LicenseManager
5.
Enter : sc config wuauserv start=
auto & net start wuauserv
6.Enter : changepk.exe /productkey
VK7JG-NPHTM-C97JM-9MPGT-3V66T ( Key Free Upgrade OS Home Single Language) or slmgr
/ipk VK7JG-NPHTM-C97JM-9MPGT-3V66T ( Key Free Upgrade OS Window 10 Home Single
Language To Pro)
After restart windows
will change from Windows 10 Home Single Language to Windows 10 Pro.