If you suspect that your device may have malware you should have Microsoft Defender run a scan. Here's how to do that on Windows, Mac, or Android.

Oct 14, 2025 · PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance …

Microsoft Defender Antivirus regularly scans your device to help keep it safe. We try to do this while you’re not using your device so it doesn’t interfere with your work. You can also schedule …

Learn how to use virus and threat protection options in Windows Security to scan your device for threats and view the results.

Jan 12, 2007 · When critical Windows system files are missing or corrupted, some Windows features may stop working correctly or Windows may stop responding altogether. If this …

Audio issues on your PC can be incredibly frustrating, especially when you're trying to watch a video, attend a meeting, or listen to music. Fortunately, most sound problems can be fixed by …

The Windows Security app is a comprehensive security solution integrated into Windows, designed to protect your device and data from various threats. It includes features such as …

If you're concerned and want to have Microsoft Defender run a scan right now, you can do that by going to the Device protection page from the Microsoft Defender dashboard. For more …

Learn how to back up and restore apps, settings, files, photos, and Microsoft Edge favorites and preferences on your Windows PC using Windows Backup.

Si vous pensez que votre appareil peut contenir des programmes malveillants, vous devriez avoir Microsoft Defender exécuter une analyse. Voici comment procéder sur Windows, Mac ou …