Saiba como encontrar uma chave de produto do Windows para ativação e quando você usará uma licença digital.

Hotmail 現在為 Outlook.com。 瞭解如何登入以存取您的 Outlook.com、Hotmail、Live 或 MSN 電子郵件帳戶。

Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.

How OneDrive protects your data. Microsoft engineers administer OneDrive using a Windows PowerShell console that requires two-factor authentication.

Saiba como usar o aplicativo Verificação de integridade do PC para ajudá-lo a melhorar o desempenho do dispositivo.

Learn how to keep your Microsoft account safe, including making a strong password, identifying safe emails, and reviewing account activity.

Saiba como espelhar ou projetar conteúdo de um dispositivo para outro.

Learn how to use the slide master in PowerPoint. Modify and use a slide master to make universal style changes to all the slides in your presentation.

Surface devices get updates through Windows Update. Find out what's included in each update and how to manually update your Surface. Select your device from the following list to see its update history.

L’application Microsoft Authenticator vous permet de vous connecter à vos comptes lorsque vous utilisez la vérification en deux étapes.