Windows 10 upgrade if older Windows is not installed
40933
Will Windows 10 Technical Preview be upgradable to final release?
145261
Is it possible to put a full installation of Windows 10 on a USB flash drive?
157071
Registry key / GPO to disable and block Windows 10 upgrade?
144837
Tell Windows 7 to Stop Trying to Upgrade to Windows 10?
71254
Determine when Windows was installed on a computer
57371
Windows 10 upgrade assistant stuck at 99%
113904
Clean install Windows 10
52291
Windows 10 upgrade from Home to Enterprise Version
19972
Reinstall of OS after CPU Upgrade needed?
157523
Reinstalling a fresh Windows 7 on a SSD while its original HDD version was upgraded to Windows 10
53938
Can I upgrade from Windows 7 32-bit to Windows 7 64 bit without reinstalling all of my software?
1520
How to install software or upgrade from an old unsupported release?
151715
Windows 10 stuck in install loop
29224
How do I force Windows to check for updates?
126520
How to detect true Windows version?
63034
How to fix the Windows 10 boot loader from Windows
135027
Upgrading a motherboard and keeping old Windows 7 installation