Can I create a home network between two computers if the operating system is not the same. In this case windows xp and windows 7. Because I tried to create a home network but I think they don't work out fine. My main purpose is to share files between those 2 computers.
If you're talking about setting up a HomeGroup, then no. But can you setup a classic workgroup which Windows 7 and XP can join. This allows you to share files and printers.