Learn how reserved storage works in Windows to conserve disk space for temporary files, caches, and other files.

Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.

Learn how to change settings to enable Secure Boot if you are not able to upgrade to Windows 11 because your PC is not currently Secure Boot capable.

Plug-ins or add-ons add functionality—such as audio effects or DVD capability—to Windows Media Player

查找 Microsoft Excel 帮助和学习资源。 了解如何有效使用 Excel 的指导文章、指南、培训视频和提示。

Word for web では、共同作業をすぐに開始するために、同僚とファイルを共有します。 また、バージョン履歴を作成、共同編集、または表示する必要がある場合は、どこにいても、web 版の Word でどこからでも作業を行うことができます。

Learn how to check if your PC is capable of running TPM 2.0 or how to enable TPM 2.0 to upgrade to Windows 11.

了解如何兑换礼品卡、代码或 Office 产品密钥，以及如何在 Microsoft Store 在线商店、Windows 或 Xbox 上花费余额。

Learn how to troubleshoot USB-C problems in Windows and fix USB devices, ports, and adapters not working properly.

The Windows 10 Mobile end of support date is the same for consumer and enterprise. Microsoft encourages all customers to move to a supported Android or iOS device.