Find out how to install Windows 11 on your device, whether you need to use Windows Update, Cloud download, or Local reinstall. Get tips and troubleshooting help from Microsoft Support.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.

Learn how to access the Control Panel in Windows for managing your system settings and programs.

Learn how to view and delete your browser history and other history in Microsoft Edge.

Outlook.com、Hotmail、Live、または MSN のメール アカウントにサインインできない場合、サインインまたはサインアウトする方法がわからない場合は、次の解決方法を試してみてください。

Keeping your login information secure will sometimes require you to change a password. You can easily edit the passwords saved in Microsoft Edge.

Learn how to find which version of Windows operating system your PC is running and device specifications.

Learn how to upgrade from Windows 10 Home to Windows 10 Pro or Windows 11 Home to Windows 11 Pro, including how to use a valid product key or the Microsoft Store.

Learn how to find a Windows product key for activation, and when you'll use a digital license instead.