I have Toshiba's laptop with window 7. I am facing some problems.
1. I can not install fox-pro in window 7
2. Can i install two VERSION of windows on my L top.and is it easily removable other version.
3. My Toshiba reel-time application has stopped working. if yuou have enough hard drive space on the laptop you could ALWAYS  create a new partion for windows xp leaveing your windos 7 untouched

http://www.howtogeek.com/howto/8790/dual-boot-your-pre-installed-windows-7-computer-with-xp/ this TUTORIAL should show you how to dual boot your laptopIf u have enough space then u can complete this task. do one thing u just make 3 partition in current O/s then WHATEVER data u have I 2ND partition TAKE full backup of that and save it in other partition, then turn off your laptop and also put O/s DVD or CD in the DVD drive, and from boot make It first boot able device and Install This O/S on that partition which is fully blanked, after u Installed the O/S, while U will be Opening your system It will show U both The option weather U want log in on win XP OR win 7. I hope It will be helpful for u.  Which version of Windows 7 do you have? Quote from: skm2012 on December 19, 2011, 08:34:44 AM

If u have enough space then u can complete this task. do one thing u just make 3 partition in current O/s then whatever data u have I 2ND partition take full backup of that and save it in other partition, then turn off your laptop and also put O/s DVD or CD in the DVD drive, and from boot make It first boot able device and Install This O/S on that partition which is fully blanked, after u Installed the O/S, while U will be Opening your system It will show U both The option weather U want log in on win XP OR win 7. I hope It will be helpful for u.