Tips: While signing in, select Yes at the "Stay signed in?" prompt if you want to go straight to your mailbox next time (not recommended for shared computers). Alternatively, check the "Don't show this again" box and select No to be prompted for your password each time.. If you can't sign in, or have forgotten your username or password, use our sign-in troubleshooter.

Cast to a Windows PC from another Windows PC. On the PC you'd like to project from, select Start > Settings > System > Projecting to this PC . Under Add the “Wireless Display” optional feature to project to this PC, select Optional features . Next to Add an optional feature, select View features, then enter “wireless display.”.

How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results. If a PC Health Check update is available, you can quickly install it for the latest version. If you don't have PC Health Check installed, you can install it by going to https://aka.ms ...

Windows 10和Windows 11旨在满足当今组织的复杂和不断变化的需求，提供：. 针对新式安全威胁的高级防护. 灵活的部署、更新和支持选项. 全面的设备和应用管理和控制. 通过帮助你简化更新的部署，Windows 10和Windows 11还使你能够快速向最终用户提供最新的创新，从而 ...

Open a service request in the Microsoft 365 admin center. This service is free. Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

方法如下：. 选择 “搜索 ”，然后键入 计算机管理 。. 从结果列表中选择 “计算机管理 ”。. 在控制台树中，选择箭头以展开 服务和应用程序 ，然后选择 “服务 ”。. 在详细信息窗格中，右键单击或向下轻扫 Windows 安装程序 ，然后选择 “开始 ”。. 本文 ...

To upgrade from Windows 11 Home to Windows 11 Pro manually, first check which edition you’re running and your activation state: Select Start > Settings > System > Activation. At the top of the Activation page, you see your edition: either Home or Pro. You‘ll also see if you’re activated under Activation state . Open Activation settings ...

尝试引导式支持. 选择下面的 Microsoft 365 版本，了解如何激活 Microsoft 365。. 激活 Microsoft 365 或非订阅版本的 Office. 激活预安装在新 Windows 设备上的 Office. 激活新 Windows 设备上包含的 Office 购买或产品/服务. 从 Microsoft 工作区折扣计划激活 Office. 激活一个全新的 ...

IF 関数は Excel で頻繁に使用される関数の 1 つであり、ある値と期待値を論理的に比較できます。. そのため、IF ステートメントには 2 つの結果があります。. 1 つ目の結果は比較が True の場合であり、2 つ目の結果は比較が False の場合です。. たとえば、=IF (C2 ...

Select Install (or depending on your version, Install apps> ). From the home page select Install apps (If you set a different start page, go to aka.ms/office-install .) For Microsoft 365 operated by 21 Vianet go to login.partner.microsoftonline.cn/account. For Microsoft 365 Germany go to portal.office.de/account.