WINDOWS VISTA INSTALATION PROCEDURE
1.insert cd in cd room drive
2.restart your system
3.press any key to start installing process
4.system then stary copying files
5.then follow step by step procedure
6.then if you want to format previous version of windows then when meno display of formating drives then select your drive and make partition of it.
7.then format drive using NTFS file system
8.then system restart
9.systen start copying files
10.then wait while your windows install