查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持，并了解安装、更新、隐私、安全等方面的信息。

When you install Office 2010, you'll be prompted to enter a 25-character product key that looks something like this: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX

Introducing Microsoft Phone Link Our evolution of the former Your Phone app brings a new name to the user experience. With the new Phone Link on your Windows PC and the new Link to Windows app on your Android device, accessing your mobile apps and content has never been easier!

Do. Don't. Do make the new password significantly different from previous passwords. Don't use the same password for different accounts. Do use a sentence or phrase converted into a string of initials, numbers, and symbols.

Notes: You can add up to 10 different ways to verify sign-in, choosing from: An email address or phone number. It doesn't have to be yours - you just need to be able to access it if you want to use it to verify your account.

Si votre PC fonctionne actuellement sous Windows 10, l’application Contrôle d'intégrité du PC vous permet d’effectuer une vérification complète de l’éligibilité de votre appareil afin de vous assurer qu’il répond à la configuration minimale requise pour Windows 11. Vous obtenez des informations sur la raison pour laquelle votre appareil est éligible ou non, ainsi que des ...

No. Microsoft 365 is a subscription service that makes sure you always have the most up-to-date modern productivity tools. Microsoft 365 already has all the features that will be coming to Office 2021 and Office LTSC, including such features as real-time collaboration as well as other advanced productivity and security features not found in Office 2021 or Office LTSC.

Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need.

The sign-in options in Windows serve various purposes to enhance your user account security and sign in convenience. You can access the sign-in options from the Settings app.

Microsoft's products and services work best if you use the same language and region across all your devices, and in all of your app and Store settings.