How to Back Up Your Computer in Windows Vista

Method 1 of 2:

Click Start and enter the Control Panel.
Click "Backup and Restore Center" under System and Maintenance tab.
Click "Back up computer".
Choose where to backup your data in the drop-down box and click "Next".
Select which disks (if you have multiple disks) do you want to include in the backup and click "Next".
Click the "Start backup" button after confirming your backup settings.

Method 2 of 2:

Click Start and open the Control Panel.
Click the System and Maintenance tab, then Backup and Restore Center.
Click the Back up files button.
Choose where to backup your data in the drop-down box, then click Next.
Select which disks (if you have multiple disks) do you want to include in the backup and click "Next".
Select appropriate categories on the Which file types do you want to backup? page, then click Next.
Select frequency, day, and time on the How often do you want to create backup? page and click Save settings and start backup button.