Like all security applications, Microsoft's antivirus needs regular definition updates, so that it can identify and intercept the latest malware discovered. If you install another antivirus, Windows' built-in antivirus will deactivate and let your preferred antivirus run. 'automatically runs backwards-plan and protect your PC. Microsoft's Windows Defender application, now known as Windows Security, is a timalware (antivirus) application built into Windows 10. Definition updates arrive several times a day Microsoft does not release Windows updates every day, so Windows Update will often not find any available updates and will not install anything. If Windows finds all the updates, it downloads and installs them automatically.Īlthough Windows 10 checks for updates once a day, that doesn't mean itinstalls them every day.

Windows doesn't always check for updates at the same time each day, changing their schedule a few hours to make sure Microsoft’s servers are not overwhelmed by an army of PCs checking for updates at the same time.

Windows 10 checks for updates once a day, automatically in the background. How often does Windows 10 check for updates? Updates are normally done automatically in the background, so let's demystify that: here's what Windows installs and when. Microsoft says that Windows 10 is a 'service and the company updates it frequently with security fixes, bug fixes, and new features.

Windows 10 update every day