W The main reason most users are still on Windows XP and Windows 7 is app compatibility. Many older apps, primarily those developed during the early days, are not compatible with newer OS iterations.

Q: I want to run Windows XP programs on my new PC. Is Windows 7 Professional's XP mode the best way to ensure that? A: It's certainly one of the more expensive ways -- and you might not need it at all ...

Whether due to cost or other reasons, I need to support some programs that can only run on Windows XP. I've worked to get them running on Win7, but my efforts and the comments of many random people on ...