[header] How to update windows [title] Click the " start " button, choose " all programs " and select " windows update. [step] " or, if you are running windows vista or windows 7, you can open the " control panel, " choose " safety and security " and click on " windows update. " [title] Select " check for updates. 
[step] " wait as the windows update tool scans checks for updates that you have not installed. If you see a message that says, " updates are available for your computer " or " install updates for your computer, " click the button labeled " install updates.