How to Remove and Uninstall Windows 7, 8, or 10 from Dual Boot PC Installation & Upgrade

Hello everyone ! I first want to mention thant english is not my first language, so, sorry if I make mistakes and am not clear enough ! I just received a second hand computer with windows10 and linux installed on it. The person I got it to...

I have followed the instructions over at think geek for uninstalling Linux and have run the bootsec.exe /fixmbr... but on startup it still is getting stuck at the minimal Grub menu. Do I need to also remove the first partition (seen in pic) all the...

So I've finally managed to install Windows 10 Pro x64 although with Windows 7 left over in dual boot. It created a "Windows.old" folder in the C: drive and Windows 7 doesn't boot anymore. How do I uninstall Windows 7 from my PC and will it affect...

I hated 8.1 after I installed it a year ago. Now want to dual boot win 7 & 10 - How can I safely uninstall 8.1? And then can I do a dual boot - 7 & 10, getting the win 10 download via the update?