How to upgrade to Windows 8.1 but keep the files
54634
How can I upgrade from Windows 7 to Windows 8 and keep my files and applications?
63751
Move Windows 8.1 to beginning of disk
97346
Is it possible to skip releases during an upgrade?
32416
18.04.2 use same files as W10?
97354
How does the clean Installation of Windows 10 after the free upgrade work?
144053
Reinstall Windows 8 on a Windows 8 based system with embedded key
37519
Can I migrate a Windows installation between two laptops?
118797
Forcefully update to new windows
156288
Can I reinstall windows without reactivating it?
70557
Unattended Windows 8.1 installation ISO
102627
Can the Windows 8.1 Preview be upgraded to the final release?
39901
How to install/upgrade to Windows 8.1 RTM without a Microsoft account
105875
Need to upgrade Windows XP to Windows 7 without losing data
87297
Does upgrading Ubuntu respect my existing partitions?
63200
Windows 8.1 update not showing
28420
Move existing Windows 7 or 10 installation to new computer?
53717
How to Refresh or Reset Windows 8 without the System Reserved partition?