Install Microsoft 365 2019 or 2016 on a PC. Remember a one-time purchase version of Microsoft 365 is licensed for one install only. Depending on your browser, select Open file (in Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox).

如何知道我运行的是否是正版 Windows 软件？. 查验正版 Windows 软件的关键特征，如真品证书 (COA)、许可证明标签以及边到边全息影像。. 有关详细信息，请访问 Microsoft 。. 最安全的选项是始终从 Microsoft 购买 Windows，或直接从 Microsoft 或你知道并信任的商店购买 ...

Before you begin, make sure your PC or Mac meets the system requirements. If you already redeemed a product key, you're simply reinstalling the apps, or you know you have an assigned license through work or school, you can skip ahead and go to the section sign in to download and install Microsoft 365 or Office.

Activate Microsoft 365 or a non-subscription version of Office that's pre-installed on a new Windows device. If this screen appears, a trial version of Microsoft 365 Family or a trial version of a non-subscription version of Office is installed.

Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.

Purchase a Windows 11 license. Activate Windows using a digital license. Digital licenses are associated with your hardware and linked to your Microsoft account, so there's nothing you need to find on your PC. You're all set once your PC is connected to the internet and you log in to your Microsoft account.

If you pre-ordered a game and want to cancel, you can do so up to 10 days before the game launches at: Order history. After this time, you may be billed, and you’ll need to request a refund to cancel your order. For more info about digital game pre-orders, see: Pre-order Xbox digital games in the Microsoft Store.

Windows 是第一个提供集中式 AI 协助的电脑平台。 详细了解 Windows 上的 Copilot. 使用画图共同创建器将创意转换为艺术. 开启实时辅助字幕. 使用工作室效果添加视频筛选器. 了解有关 NPU 的所有信息. 探索 Windows. Windows 11 Windows 10. 准备 Windows 11. 查找有关 Windows 11 升级的热门问题的解答。 请参阅升级常见问题解答. 认识小组件. 随时了解你最喜爱的信息。 了解小组件. 了解 Windows 11. 了解如何使用 Windows 11 的新功能。 观看视频系列. 浏览任务栏. 了解如何使用 Windows 11。 获取任务栏信息. 热门主题. Windows 11 Windows 10.

The Gaming Services Repair Tool can often resolve launch, install, update, or various other issues for both games and the Xbox app itself. You can use this tool from within the Xbox app or try the downloadable version. For more info on how to run this tool, visit: Gaming Services Repair Tool for PC.

PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC. How to open PC Health Check. In Windows, use Search on the taskbar to ...