Surface help & learning
Choose from a variety of Surface devices and accessories to get help.
创建和格式化硬盘分区 - Microsoft 支持
若要在硬盘上创建分区或卷（两个术语通常可以互换使用），必须以管理员身份登录，并且硬盘上必须有未分配的磁盘空间或者在硬盘上的扩展分区内必须有可用空间。
如何创建新的 Microsoft 帐户 - Microsoft 支持
如何创建新的 Microsoft 帐户以使用 Microsoft 服务。
帐户帮助
获取有关 Microsoft 帐户的帮助。 了解如何设置 Microsoft 帐户，如何保护它，并使用它来管理服务和订阅。
About Genuine Windows - Microsoft Support
There are a few common scenarios in which Windows running on a PC might be discovered to be non-genuine during validation. Repairs. If your PC has been repaired, you might start to see messages on your desktop that Windows isn't genuine.
Microsoft security help and learning
Get security info and tips about threat prevention, detection, and troubleshooting. Including tech support scams, phishing, and malware.
对 Office 使用产品密钥 - Microsoft 支持
如果出现“让我们开始吧”屏幕，其中包含试用、购买或激活 Office 的选项，这意味着新电脑安装的 Office 为 Microsoft 365 家庭版 1 个月试用版。只有支付 Office 产品密钥卡的相关费用，才会从电脑制造商处收到密钥。 你可开始试用 Microsoft 365 家庭版，也可购买 Office。
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Microsoft 365 for home, InfoPath 2013
我可以升级到 Windows 11 吗？ - Microsoft 支持
如果你的设备符合硬件规格，并且 Windows 11 版本已可供设备使用，则可以从 Windows 10 升级到 Windows 11。
Stay safe with a genuine Office license - Microsoft Support
Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.
Applies To:
Office 2019
October 10, 2023—KB5031358 (OS Build 22000.2538)
Windows 11, version 22H2; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)