Windows Defender-enable - so go ahead
- Click on the Start icon or tap the Windows Button.
- Enter in the search field / tile menu, the word "Defender".
- You can open the found program. If a different program monitors your PC you will be informed of the. You will then need to disable the alternative program to start the Defender.
- Click on the Windows Defender Dialog if it is still on "start Now".
- Usually start Windows Defender automatically, as soon as you have enabled, there is no alternative program.

Windows Defender is activated
Read in the next practice tip, what you can do when Windows Defender does not work. This practice tip has been tested under Windows 8.