Computer expert pls help!

Saurabh Maheshwari (B.com,ACA) (5923 Points)

01 August 2012  

Currently I am having Windows XP, noe\w I want to install windows 7 and also want to retain XP. What is the system requirments to enable me to have two windows nsimultaneously. Further, wheather the softwares installed using XP will work on windows 7 for example- Tally 9ERP installed on XP will be usable on Windows 7 too.and will the files and programs created using XP will be accessable using the 7?