You can use installation media (a USB flash drive or DVD) to install a new copy of Windows, perform a clean installation, or reinstall Windows. To create installation media, go to the software download website, where you'll find step-by-step instructions.

Before you begin. Make sure the device you want to install Windows 11 on meets the minimum system requirements. If your device is currently running Windows 10, we recommend you verify the minimum system requirements using the PC Health Check app.

Some Office 2019, Office 2016, and Office 2013 products come with a product key. If yours did, before installing Microsoft 365 for the first time, sign in with an existing or new Microsoft account and enter your product key at office.com/setup. Redeeming your key is what links your account with Microsoft 365 so you only have to do this once.

When the Windows 10 2022 Update aka Windows 10, version 22H2 is ready for your device, it will be available to download from the Windows Update page in Settings. Choose a time that works best for you to download the update. You'll then need to restart your device and complete the installation.

Use System restore to make restore points when you install a new app, driver, or Windows update, and when you create a restore point manually. Restoring won’t affect your personal files, but it will remove apps, drivers, and updates installed after the restore point was made.

If you're having problems with Windows 10 on your PC or you want a fresh copy of Windows 10 without the clutter of old files or apps, you can reinstall Windows 10 to try and fix your issues and return your PC to a cleaner state.

Find answers to top questions about upgrading to Windows 11, from the minimum hardware requirements to where to find the upgrade.

创建适用于 Windows 的安装介质. 你可以使用安装介质（U 盘或 DVD）来安装 Windows 的新副本、执行全新安装或重新安装 Windows。. 要创建安装介质，请转到 软件下载网站，你可以在这里找到分步说明。. 在该网站上，你可以选择 Windows 版本，并使用 U 盘或 DVD 创建 ...

From your files, themes, and some settings to many of your installed apps and Wi-Fi information - Windows Backup will help protect what matters and make it easier than ever to move to a brand-new PC. This guide will help you to use Windows Backup to back up key things on your Windows PC.

Microsoft 不建议在不符合 Windows 11 最低系统要求 的设备上安装 Windows 11。. 如果选择在不符合这些要求的设备上安装 Windows 11，并且 认识到并了解风险，则可以创建以下注册表项值并绕过对 TPM 2.0（至少需要 TPM 1.2）和 CPU 系列和模型的检查。. 注册表项： HKEY_LOCAL ...