Windows Defender: Your protective wall against viruses and Trojans

Want dependable virus protection without paying a penny? Windows Defender, built into Windows 10 and 11, guards your PC in the background. Run a quick scan daily and a full scan weekly, and keep real-time protection switched on at all times. For real peace of mind, use Task Scheduler to run automatic scans at a set time, such as midday. A simple, effective way to keep threats at bay.

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13 May 2026

Windows Defender: Your protective wall against viruses and Trojans

Windows Defender is the first choice for many Windows 10/11 users when it comes to virus protection. No wonder: the program is free, optimally integrated into Windows 10/11 and always achieves good ratings in comparative tests. You should also use Windows Defender for prevention and, in addition to thethe daily quick scan and also ea complete virus scan once a week.

Windows Defender works continuously in the background. It carries out a quick scan at regular intervals, during ...