Windows 7 Install

My dad went and bought an upgrade edition of Windows 7, when he has XP. Besides buying/borrowing a Vista CD, is there any way I could install it without a Vista CD?

https://tech-buzz.net/2009/10/25/use-windows-7-upgrade-disc-to-perform-full-install-and-save-80/
BAM!

Thank y’ kindly. :stuck_out_tongue:

Founded in 2004, Leakfree.org became one of the first online communities dedicated to Valve’s Source engine development. It is more famously known for the formation of Black Mesa: Source under the 'Leakfree Modification Team' handle in September 2004.