Microsoft windows 7 can not upgrade a computer running Windows XP, which complicates things for XP users.
To install windows 7 from windows XP Follow these simple steps:-
1.Run Windows Easy Transfer on your Windows XP computer.
*The free Windows Easy Transfer lives in the Support\Migwiz on your Windows 7 DVD. To start the program, double-click the file called MigWiz.
2. Rename your Windows XP drive.
*This step isn’t necessary, but it helps you identify the correct drive a few steps later. Open the Start menu,
*Then choose My Computer and right-click your C drive.
*Then Rename, type in XP, and press Enter.
3. Now insert the Windows 7 DVD into your DVD drive and restart your computer.
After that your Computer restarts, but loads from the Microsoft Windows 7 DVD.
4. Click Next.
Now choose menu language, keyword layout, currency symbols after that Click Next.
5. Now click on Install now button.
This tells Windows 7 to start installing itself on your computer hard drive.
If asked, go online to obtain the latest updates to make your installation go easily.
6. Read the License Agreement, select the I Accept the License Terms check box, and click Next.
7. Then Choose Custom (advanced).
8. After that click on Windows XP drive.
9. Then click Drive Options (Advanced).
Clicking Drive options, (advanced) lets you get ready your hard drive to create room for Windows 7.
10. Click Format, & click OK to agree the format process. After that click next.
11. Enter your user name, and a name for your PC, and click next.
12. Then type & retype in a password, then type in a password hint, then click next.
13. Type your product key and click next.
14. Choose Use Recommended Settings.
15. Confirm the time and date settings and then click next.
16. If you’re connected to a network, choose your PC’s location.
*Windows 7 gives you options: Home, Work, or a Public.
*If you select Home or Work, Windows 7 eases up on the security a bit, letting the PCs on the network see each other. If you’re in a public setting, though, choose Public. Windows 7 keeps your computer more protected by not letting other PCs share any of its files.
After rummaging around inside your PC for a few more minutes, Windows 7 appears on the screen.
*Windows Update to download any security patches and updated drivers issued by Microsoft.
To run Windows Update, click the Start button, choose All Programs, and click Windows Update.
*Windows Easy Transfer.
Copy your backed-up files and settings from your portable hard drive back into your old computer.
*Reinstall your old software from their original discs.