Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.

You can choose which apps will start automatically when you start your device.

Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.

Learn about what effect closing a Microsoft account might have on your other apps and services.

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

If you already have an account signed in to OneDrive and you want to add or remove another account, you’ll do that in OneDrive Settings.

Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

Summary. Windows includes a tool called Microsoft System Information (Msinfo32.exe). This tool gathers information about your computer and displays a comprehensive view of your hardware, system components, and software environment, which you can use to diagnose computer issues.

Here's how to change the size of text, images, and apps in Windows. To change your display in Windows, select Start > Settings > Ease of Access > Display.To make only the text on your screen larger, adjust the slider under Make text bigger.To make everything larger, including images and apps, choose an option from the drop-down menu under Make everything bigger.

Find out how to set up and manage your security info and verification codes for your Microsoft account, and troubleshoot common issues.