See Computer Security.

Windows updates contain essential security updates that help keep your computer protected from viruses. Updates pertain to any Microsoft product, including operating systems and Internet Explorer. We recommend you install updates automatically.

1. In the Control Panel, click System and Security, Windows Update.
   
2. Click Change settings.
   
3. We recommend to install updates automatically. Updates may restart your computer, so schedule update installs to run during non-business hours.


4. Click OK to save.