Note: NET Framework 4.8.1 installers have been refreshed to include the latest servicing updates as of June 13th, 2023.Apart from the servicing fixes, there is no change in the .NET Framework 4.8.1 product that was released originally on August 9th, 2022.

注意: 带 USB Type-C 连接器的电脑具有更高的功率限制。 如果连接器支持 USB 电力传输，则其能够以更大的功率实现更快速充电。. 要更快地充电，你的电脑、充电器和线缆均必须符合行业标准。

Digital goods like apps, games, add-on content, subscriptions, movies, TV shows, and books aren't returnable unless the offer for applicable law states that you're eligible for a refund.

Training: Watch and learn how to use PowerPoint in Windows. Explore PowerPoint training guides, articles, and how-to videos.

Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.

Word 2021 for Windows enables you to create compelling content and includes co-authoring, new stock media from the Office Premium Creative Content collection, and new Draw tab additions such as Point Eraser, Ruler, and Lasso.

Choose the power mode that works for you and what you want to do on your Windows 10 PC. This lets you determine what’s important to you—getting the best battery life, best performance, or a balance between the two.

Establishing internet boundaries is an important way to protect yourself and your family from inappropriate web content. Microsoft Family Safety web and search filters work across any Windows, Xbox and mobile device that has the Microsoft Edge browser and Family Safety apps installed.

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.

Billing & payments. Your dashboard is also where you can: Buy, renew, or cancel a subscription.