Update windows automatically

( only for windows 7 )

To turn on automatic updating

1. Open Windows Update by clicking the Start button . In the search box, typeUpdate, and then, in the list of results, click Windows Update.
2. Click Change settings.
3. Make sure Install updates automatically (recommended) is selected.
   Windows will install important updates for your computer as they become available. Important updates provide significant benefits, such as improved security and reliability.
4. Under Recommended updates, make sure the Give me recommended updates the same way I receive important updates check box is selected, and then click OK.