It sounds like you are trying to upgrade XP to Seven. I don't think that is possible. There was another OS between them, namely Vista. you would need...
I found a Windows 7 Professional product key for $4.99 price at Goodwill. I have installed it twice and on both occasions at the end of the process I...
BIOS (basic input/output system) = BFD. https://support.hp.com/us-en/document/ish_3912651-2318005-16 You indicated a previous issue with the system....