An upgrade moves your PC from a previous version of Windows—such as Windows 7 or Windows 8.1—to Windows 10. An upgrade can take place on your existing device, though Microsoft recommends using Windows 10 on a new PC to take advantage of the latest features and security improvements.

Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery.. For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app:

Windows 更新可帮助解决电脑问题。 使用 Windows 更新 修复问题是一种恢复工具，可帮助解决与更新相关的问题。使用此工具将在设备上重新安装当前版本的 Windows。 此工具可保留所有应用、文档和设置。

Next to the password you want to change, select More actions , and then select Edit.

Closing a Microsoft account means you won’t be able to use it to sign in to any Microsoft products or services, including Outlook.com or Hotmail, OneDrive, Xbox, Skype, Office or Microsoft 365, Rewards and Microsoft Certification.

与以前版本的 Windows 不同的是，你需要使用媒体创建工具来创建用于安装 Windows 10 的 ISO 文件。 确保你有 Windows 10 安装许可证，然后按照以下步骤操作：

Windows 7、Windows 8.1、Windows 10 のインストールや再インストールで必要となるインストール メディアの作成方法について説明します。 USB フラッシュ ドライブ、外付けハード ドライブ、DVD。 8 GB 以上の空の USB フラッシュ ドライブまたは外付けハード ドライブ、または空の DVD (および DVD 書き込み ...

If you need instructions for adding an email account using advanced settings, go to Use advanced setup to add a POP or IMAP email account in Outlook for PC. Outlook won't accept my password. If Outlook won’t accept your password and you know you’re using the right password for your Gmail account, you might have an older version of Outlook that doesn't currently support this faster Gmail ...

从 Microsoft 获取免费的 Windows 主题，以个性化设置电脑的背景、颜色和声音。 获取主题 主题是桌面背景图片、窗口颜色和声音的组合。 若要获取主题，请展开以下类别之一，选择主题的链接，然后选择“打开”。这样会将主题保存在电脑中并应用于桌面。

Learn how to access the Control Panel in Windows for managing your system settings and programs.