When you get a new device and start up Windows 10 for the first time, the antivirus protection that comes installed with the device is your default security app.

Uninstall from the Start menu. Select Start > All apps and search for the app in the list shown.

Important: If your device is out of support, it is no longer receiving security updates from Microsoft and may become more vulnerable to security risks and viruses.Therefore, we strongly recommend that you update to the latest version of Windows. Each version of Windows is supported for 18 months.

When you back up your files, apps, and settings in the cloud using your Microsoft account, you get 5 GB of free cloud storage and other benefits that protect your files with the latest security and make everyday tasks easier.

We're committed to delivering continuous innovation by releasing new features and enhancements into Windows 11 more frequently. Windows devices get new functionality at different times as Microsoft delivers non-security updates, fixes, improvements, and enhancements via several servicing technologies—including controlled feature rollout (CFR). ...

Windows Security provides built-in security options to help protect your device from malicious software attacks. To access the features described below, tap the Windows Start button, type windows security, select it from the results, and then select Device security.

Turn on Find my device. When you set up a new device, you can decide whether to turn on or turn off the Find my device setting. If you turned it off during setup and now want to turn it on, make sure your Windows device is connected to the internet, has enough battery power so it can send its location, and that you're signed in to the device using your Microsoft account.

Notes: Meeting recordings won't capture whiteboards, annotations, shared notes or content shared in the stage view by apps, and also won't include videos or animations embedded in PowerPoint Live presentations.

To increase security and performance, Windows 11 in S mode only runs apps from the Microsoft Store. If you want to install an app that isn't available in the Microsoft Store, or if you have Windows 10 Pro, Enterprise, or Education and want to upgrade to Windows 11, you'll need to permanently switch out of S mode.

There are some common two-step verification problems that seem to happen more frequently than any of us would like. We've put together this article to describe fixes for the most common problems.