Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
Windows - Microsoft
如果某个严重问题导致 Windows 意外关闭或重启,则会出现蓝屏错误(有时也称为黑屏错误或终止代码错误)。 你可能会看到一条消息,指出“Windows 已关闭,以防止损坏你的计算机”或类似消息。
Windows - Microsoft
若要访问登录选项,请依次转到“开始” > “设置” > “帐户” > “登录选项”。 或者直接单击此按钮: 转到“登录选项” 更改或管理密码或 PIN. 若要更改密码或 PIN,请转到“开始 > 设置> 帐户 ”> 登录选项。. 选择“PIN (Windows Hello)”,然后选择“更改 PIN”。
Hardware warranty, services, and repair
Review the warranty terms, check your warranty status, and learn about the protection plans for your Microsoft device or accessory.
Get started with OneDrive (work or school) - Microsoft Support
Try it! OneDrive gives you one place to store, share, and sync your work or school files. As part of your organization's Microsoft 365 subscription, or SharePoint Server, you can save your files in OneDrive and then work with them from almost any device.
Applies To: OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint Server 2016, OneDrive (work or school), OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
Troubleshoot issues with the Xbox app for Windows
Press the Start button on the taskbar, type settings, and then select Settings.; On Windows 10, select Update & Security.On Windows 11, select Windows Update.; On the Windows Update page, select Check for updates to see if any updates are available for your device.; Once the updates have downloaded, select Install now to start the installation.; Following installation, we recommend that you ...
TPM 2.0 - Microsoft
如何启用 tpm. 如果需要启用 tpm,这些设置将通过 uefi bios (电脑固件) 进行管理,并且因设备而异。 可以通过选择“设置 >更新&安全性>恢复> 立即重启”来访问这些设置。 在下一屏幕中,选择“ 故障排除 > 高级选项 ”> “uefi 固件设置” > “重启 ”进行更改。 这些设置有时包含在 uefi bios 中标有 ...
Windows Installer 4.5 is available - Microsoft Support
The following new and improved features have been implemented in Windows Installer 4.5. Multiple package transactionIn a multiple package transaction, you can create a single transaction from multiple packages.
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
How to use focus in Windows 11 - Microsoft Support
Focus is a new feature in Windows 11 that helps you minimize distractions. To help you stay on track, it integrates with the Clock app with features like a focus timer and music integration.
Excel help & learning
Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.