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.

Windows 11引入了一项称为动态刷新速率 (DRR) 的新功能，该功能会根据你当时执行的操作自动调整刷新率。 这可以帮助你获得两全其美：当你需要游戏、浏览或墨迹书写时获得流畅的体验，当你不执行这些类型操作时，电池使用时间更长。

Important: When you close your Microsoft account, your email and contacts are deleted from our servers and can't be recovered.If you use your Microsoft account with Xbox, Skype, OneDrive, or other Microsoft services, you'll no longer be able to access those services.

When you sign in to sync to Microsoft Edge , you can easily browse the web from any of your devices, keep your favorites organized, and always pick up right where you left off.. Sign in to sync your account on your computer Setting up sync on your computer. In Microsoft Edge, select the profile image in the browser taskbar.

All Xbox digital codes are 25 characters long, include both numbers and letters, and are formatted in five blocks of five characters (xxxxx-xxxxx-xxxxx-xxxxx-xxxxx).

HDR content on Windows offers better brightness and color capabilities compared to traditional content (sometimes called standard dynamic range [SDR] content).

按任务栏上的“开始”按钮 ，键入“设置”，然后选择“设置”。 在 Windows 10 上，选择“更新和安全”。在 Windows 11 上，选择“Windows 更新”。 在“Windows 更新”页面上，选择“检查更新”以查看是否有适用于设备的任何更新。 在下载更新后，选择“立即安装”以开始安装。

Note: Offers vary by country.Be sure to redeem your rewards points in the same region you signed up in. Do not use a VPN while trying to redeem points. When redeeming points, use a mobile or landline phone number for authentication and not a VoIP phone number.

Descubre cómo enviar una solicitud para obtener el reembolso de una compra de contenido digital de Xbox.

This is a subscriber-only, Microsoft 365 feature. Find your version. Design ideas for one photo Applies to: PowerPoint for Microsoft 365 Current Channel: Version 1511 or later Semi-Annual Enterprise Channel: Version 1602 or later Multiple photos, color extraction, and facial recognition