Microsoft made a commitment to provide 10 years of product support for Windows 7 when it was released on October 22, 2009. This 10-year period has now ended, and Microsoft has discontinued Windows 7 support so that we can focus our investment on supporting newer technologies and great new experiences.

Learn more about family group roles, permissions, and how you share data with Microsoft and your family.

In Excel 2010, the maximum worksheet size is 1,048,576 rows by 16,384 columns. In this article, find all workbook, worksheet, and feature specifications and limits.

Training: With Microsoft Forms, you can create surveys, quizzes, and polls, and easily see results as they come in. When you create a quiz or form, you can invite others to respond to it using any web browser, even on mobile devices. As results are submitted, you can use built-in analytics to evaluate responses. Form data, such as quiz results, can be easily exported to Excel for additional ...

Find out how to submit a request for a refund for a purchase of digital Xbox content.

When you sign into the Xbox PC app, the Microsoft account associated with your Xbox profile will be used in the Xbox app for access to Xbox Game Pass and all other purchases, including rights to purchased games.

Discover how color management profiles function in Windows to ensure accurate and consistent color representation across applications.

Find out how to turn on Game Mode while playing a game on your Windows 10/11 device.

尋找適用于 Windows 作業系統的説明和操作說明文章。 取得 Windows 支援，並瞭解安裝、更新、隱私權、安全性等。

Find out how to get a DVD player app, add-on, or plug-in, or whether you can upgrade your edition of Windows to add DVD playback.