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.

dpi 是用于测量鼠标灵敏度的标准，表示设备可以检测的 dpis (每线性) 英寸的点数。 通过更改 dpi，你可以立即调整精度任务的指针速度，例如，游戏定位或照片编辑。

Issue. Next step. If BitLocker Group Policy Configure TPM platform validation profile for native UEFI firmware configurations is enabled and PCR7 is selected by policy, it may result in the update failing to install.. To view the PCR7 binding status, run the Microsoft System Information (Msinfo32.exe) tool with administrative permissions.

Personal Vault. OneDrive Personal Vault is a protected area in OneDrive that you can only access with a strong authentication method or a second step of identity verification, such as your fingerprint, face, PIN, or a code sent to you via email or SMS. 1 Your locked files in Personal Vault have an extra layer of security, keeping them more secured in case someone gains access to your account ...

Info for Windows Insiders. If you’re an Insider and the current preview build isn’t working for you, select Start > Settings > System > Recovery .Next to Go back , select Go back.This won’t remove your personal files, but it’ll remove recently installed apps and drivers, and change settings back to their defaults.

注意: 如果想要查找有关特定错误代码的信息或遇到了产品密钥问题，请参阅获取有关 Windows 激活错误的帮助。 在这里，通过按 CTRL+F 并在搜索框中键入或粘贴错误代码或“产品密钥”，可找到有关你的代码的特定信息及解决方案。

Learn how to manage the online safety and privacy settings on the Xbox console for you and every member of your family group.

“我的帐户”门户通过设置和管理安全信息、管理连接的组织和设备或查看组织使用数据的方式，帮助你管理工作或学校帐户。. 若要登录到工作或学校帐户，请转到 myaccount.microsoft.com 或选择下面的“ 登录 ”。 登录. 另请参阅. 详细了解工作或学校帐户. 登录到 Windows. 登录 Office

Data Execution Prevention (DEP) is a technology built into Windows that helps protect you from malicious code launching from areas of memory that have been designated as for data only.

Click System and Security > System.. On the View basic information about your computer page, see the Full computer name under the section Computer name, domain, and workgroup settings.