can i replace windows 8.1 with windows vista myself

[Bernitta]

V8.1 and replace it with Windows Vista my self?

 

[Hjgrove]

If you want to replace windows 8.1 with windows vista.
You would either have to format your current hard drive or insert a new one and then insert your windows vista install cd into the computer at the BIOS and follow the steps

 

[Someone Somewhere]

Duplicate: http://www.tomshardware.com/answers/id-2130151/replace-windows-windows-vista.html