Find your product key to activate Windows. A product key is a 25-character code that's used to activate Windows and helps verify that Windows hasn't been used on more PCs than the Microsoft Software License Terms allow.

Get answers to all of your Microsoft Word questions. Find Word help, how-to articles, training videos, tutorials, and more.

Get more information about managing your Xbox subscriptions, issues with billing, and more.

When you need to protect the privacy of an email message, encrypt it. Encrypting an email message in Outlook means it's converted from readable plain text into scrambled cipher text.

Excel gives you the ability to protect your work, whether it’s to prevent someone from opening a workbook without a password, granting Read-Only access to a workbook, or even just protecting a worksheet so you don’t inadvertently delete any formulas.

Choose either Above screen, Below screen, or Overlaid on screen.. When you choose Above screen or Below screen, the captions window will appear as docked to the top or bottom screen edges in reserved space on your desktop, and other apps will not be blocked by the captions window.When docked to the top, you might find that live captions works well while sharing video in a virtual meeting or ...

Take a picture of some printed data Maybe you’d like to get data from your previous tax returns into Excel and you only have printed copies.Just take a picture of each one, transfer the pictures to your computer (OneDrive is great for this). Then, click Data > From Picture > Picture From File and follow the on-screen instructions to convert picture to data.

Find everything you need to manage your Xbox account, profile, and more.

可通过不同的方式删除应用和程序，因此如果找不到要查找的应用和程序，可以尝试另一个位置。 请注意，某些应用和程序内置于 Windows 中，无法卸载。

Désinstallez ou supprimez des applications et des programmes dans l’application Paramètres.