Firewall & network protection in Windows Security lets you view the status of Microsoft Defender Firewall and see what networks your device is connected to.

Learn how to show hidden files, folders, and drives in Windows.

There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled.

Use Outlook for Android on your phone or tablet to add your Outlook.com, Microsoft 365, Exchange-based email, or IMAP or POP email account.

Get steps for how to install a language pack in Windows 10.

Defragment your Windows 10 PC. Optimizing your drives can help your PC run smoother and boot up faster.

Learn how to turn on device encryption, or standard BitLocker encryption in Windows.

Learn how to reinstall Windows on your PC and how activation works after it's installed.

Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.

There are several ways to calculate the difference between two times.