I have a CD to upgrade to windows 8.1. Is it safe?
68120
Will upgrading Windows 8 to 8.1 affect Ubuntu?
134196
Ubuntu With Windows Safe?
35419
Which version of Windows do I have?
72152
Upgrading 16.04 to 16.04.1
90878
Windows 8.1: Windows cannot be installed to this disk
84053
Is upgrading from LTS to LTS as reliable as doing a fresh install?
76772
Is it safe to delete from C:\Windows\Installer?
79665
Clean install of Windows 10 OEM: license key issues?
2385
Where can I download Windows 8 legally, from Microsoft?
6741
Windows 8 upgrade Recovery Disk
43778
Is it possible to "upgrade" from a 32bit to a 64bit installation?
37257
Creating A Bootable USB Of Windows 8.1 On OS X?
17776
Safety of installing Ubuntu alongside Windows
125829
If I follow instructions from a blog or Ask Ubuntu, etc, is it always safe?
68597
Will upgrading Ubuntu remove installed software?
10709
Can i upgrade ubuntu without losing my apps and files?
50789
Update to Windows 10: What is going to happen to my data and apps?