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Activate Windows - Microsoft Support
Activate Windows using a product key. A product key is a 25-character code, that looks like this: PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. During installation, you'll be prompted to enter a product key. Or, after installation, to enter the product key, select the Start button, and then select Settings > System > Activation > Update product ...
如何登录到 Hotmail - Microsoft 支持
Hotmail 现在为 Outlook.com. 若要登录到 Hotmail,需要提供 Microsoft 帐户用户名和密码。. 登录. 登录时,如果你希望下次直接进入你的邮箱,请在“保持登录?”提示中选择“ 是 ”(对于共享计算机,不建议这样做)。. 或者,选中“不再显示此内容”框,然后选择 ...
Applies To: Outlook.com
Download drivers and firmware for Surface - Microsoft Support
To find the link for the driver you need, select the dropdown list below and then scroll through it to find the type of Surface you have. After you've selected it, you'll see the available links for that type of Surface device model. Select the link for your model to get the latest firmware and drivers for sound, display, ethernet, and Wi-Fi.
Edit your passwords in Microsoft Edge - Microsoft Support
Go to Settings and more > Settings > Profiles > Passwords . Next to the password you want to change, select More actions , and then select Edit. When prompted, authenticate yourself to the operating system to get access to the password information. After you successfully authenticate yourself, in the Edit password dialog, update your password ...
使用中の Windows オペレーティング システムのバージョンを確認する - Microsoft サポート
Windows 8.1 または Windows RT 8.1 でオペレーティング システムの情報を見つける. お使いのデバイスで実行中の Windows のバージョンを確認するには、Windows ロゴ キー キー+ Rを押し、[開く] ボックスに「winver」と入力して、[OK] を選択します。 デバイスが Windows 8.1 または Windows RT 8.1 を実行している ...
2023 年 4 月 11 日 - KB5025288 (仅限安全的更新) - Microsoft 支持
2023 年 4 月 11 日 - KB5025288 (仅限安全的更新) Windows Server 2012 R2 更多... 提醒 Windows 8.1 于 2023 年 1 月 10 日终止支持,不再提供技术协助和软件更新。. 如果你的设备运行 Windows 8.1,建议将它们升级到更新的、正在使用的和受支持的 Windows 版本。. 如果设备不符合运行 ...
Calculate the difference between two dates - Microsoft Support
Use the DATEDIF function when you want to calculate the difference between two dates. First put a start date in a cell, and an end date in another. Then type a formula like one of the following. Warning: If the Start_date is greater than the End_date, the result will be #NUM!.
Applies To: Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
安装 Windows 11 的方法 - Microsoft 支持
安装 Windows 11 的其他方法(不推荐). 使用安装助手进行升级. 我们建议你等到设备可以升级到 Windows 11 后再使用安装助手。. 准备就绪后,可以在 Windows 11 软件下载页 上找到它。. 创建 Windows 11 安装媒体. 在 Windows 11 软件下载页面 上,选择 立即创建工具 ,然后 ...
帐户被锁定 - Microsoft 支持
帐户为何被锁定并禁用. 如果 Microsoft 帐户持有者违反了我们的 Microsoft 服务协议 ,则通常将锁定这些帐户。. 以下是帐户被锁定的部分常见原因,并非所有帐户锁定情况均为这些原因所致:. 传播恶意软件、钓鱼和其他有害的活动. Microsoft 禁止将我们的服务用于 ...
How to sign in to Hotmail - Microsoft Support
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.
Applies To: Outlook.com