|There's a lot more info in Help and Support in Vista and Windows 7|
Click on the Windows 7 logo ( = the Start button) bottom left of the main desktop screen.
Choose Help and Support
Search for: Copy files to a CD.
"If I can get an old computer running for me to use, it will be XP."
So you're familiar with XP ?
Many of the things that are in Windows 7 and Vista are the same or very similar to the same things in XP and previous - they're just in different places.
Typing something in the Start Search box is similar to typing something in the Run box
Computer - similar to My Computer
All Programs - Accessories - Windows Explorer - the same.way to get there - similar
Click on Computer - select System Properties on the top bar - Device Manager is on the left - very similar
Control Panel - on the right select Display as Small Icons or Large Icons, not Categories - then you will see icons for the individual things like in Classic view in XP or previous.
Programs and Features there - very similar to Add or Remove Programs
RIGHT click on a blank part of the main desktop screen - Personalize - Display Settings is somewhat like Display Properties