Right-click the program icon and select Properties. Then click the Compatibility tab then check the box Run this program in compatibility for and sele...
Step 1 Right-click on the Windows 8.1 taskbar, then choose Properties. Step 2 Click on the Navigation tab, then under the Start screen section, check ...
From the Start screen type defender and click the Windows Defender icon under the search results. Now select the Settings tab, Advanced and check Scan...