Select Start , then select Settings > Personalization > Themes.Choose from a default theme or select Get more themes in Microsoft Store if you want to download new themes with desktop backgrounds that feature cute critters, breathtaking landscapes, and other smile-inducing options.

PC 正常性チェック アプリを使用して、デバイスのパフォーマンスを向上させる方法について説明します。 注: デバイスで互換性の問題が特定され、Windows 11を使用してエクスペリエンスが中断される場合、問題が解決されるまでアップグレードが一時的に遅れます。

To change the default app, you can do either of the following: Set a default for a file type or link type In the search bar, enter the file type or link type you want, then select it from the list of results.

在“产品信息”下，你将看到你的 Office 产品名，在某些情况下，还可看到完整的版本号。 1 - 产品名，例如 Microsoft 365 专业增强版或 Office 家庭和学生版。 2 - 版本号，其中包括版本、 内部版本号和如“即点即用”或 Windows 应用商店等安装类型。

Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need.

了解如何安装 Windows 7 Service Pack 1 (SP1)。 包含有关如何获取下载、要求和其他内容的信息。 备份重要文件 在安装更新之前，最好将重要的文件、照片和视频备份到外部硬盘、U 盘或云端。

Note: If you selected Delete unread copies and replace with a new message, the original message opens for editing.When you select Send, the original email message will be deleted from the recipient’s mailbox and replaced with the newly edited one.

获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。

You can manage all of your Microsoft subscriptions in your Microsoft account dashboard. Select each subscription to change when and how you pay, or to see order history & receipts.

When in the new Teams, turn on (or off) notifications by selecting Settings and more at the top of the new Teams, then selecting Settings > Notifications > Open Windows notifications settings.Find Microsoft Teams (work preview) in the apps list and set your preference.