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Reinstall window 10
I over wrote windows 10 with windows 7. I now want to revert back to Windows 10?
I over wrote windows 10 with windows 7. I now want to revert back to Windows 10?
Download the Windows 10 ISO file, mount it in Windows 7 with a program like WinISO, and run setup.exe from the mounted ISO file.
If you upgraded from 7 to 10 in the free upgrade period you already have a digital licence for 10 on the Microsoft activation servers. You can do another upgrade or a clean install. Either way, if asked for a product key click 'I don't have one'. Your Windows 10 will be activated automatically from the existing digital licence.