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

了解 Microsoft 365 订阅、Office 2016 和免费 Office Online 应用之间的区别。

Learn how to download, install, and configure additional language packs for your version of Windows.

Si vous ne parvenez pas à vous connecter à votre compte de messagerie Outlook.com, Hotmail, Live ou MSN, ou si vous ne savez pas comment vous connecter ou vous déconnecter, voici quelques solutions.

Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

Learn how to add an app to run automatically at startup. Select the Start button and scroll to find the app you want to run at startup.

Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

Find answers to top questions about upgrading to Windows 11, from the minimum hardware requirements to where to find the upgrade.

Узнайте, как установить последнюю версию драйвера для принтера. Если вы недавно обновили Windows, вам может потребоваться переустановить драйвер принтера.

Discover the latest features in Office 2021, including new ways to create content, manage data, and communicate effectively.