1. Insert Your Microsoft Windows Vista DVD.
2. Restart your computer.
3. Access the boot menu by pressing F12 on your computer's start up.( Some computers have different ways of accessing the boot menu, check your computer's manual for it.)
4. Highlight CD/DVD/CD-RW Drive, and then press Enter.
5. Press Enter when you see the prompt "Press any key to boot from the CD".
6. Choose your Language, Time, Currency and Keyboard Method, and click Next.
7. Click Install Now.
8. Accept the terms and conditions.
9. Click Custom (advanced) on the page that syays "Which type of installation do you want?".
10. Click Drive options (advanced) on the page that says "Where do you want to install Windows window?."
11. Click Disk 0 Partition 1, and then click Delete.
12. On this screen "If you delete this partition, all data stored on it will be permanently deleted", click OK.
13. On the page that says "Where do you want to install Windows", click New.
14. When prompted to select the size of the file, select the default size, and then click Apply.
15. Select the partition you just created, and click Format.
16. Click OK on the window "If you format this partition, all data stored on it will be permanently deleted".
17. Click Next on the "Where do you want to install Windows" page. Computer will restart several times.
18. When the Setup window appears, select a user name, password, and picture for your user account.
19. On the Choose a computer name and choose a desktop background window, click Next.
20. On the Help Protect Windows automatically window, click Use Recommended Settings.
The Review your time and date settings window appears.
21. Click to select your time zone, and then click Next.
22. After the Thank You message appears, click Start.
23. When all is done, install all your hardware drivers.