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Windows sign-in options and account protection - Microsoft Support
To turn on Windows Hello. Go to Start > Settings > Accounts > Sign-in options. Select the Windows Hello method that you want to set up, Select Set up. If you don't see Windows Hello in Sign-in options, then it may not be available for your device. Windows Hello does require a compatible camera or fingerprint reader.
Create a drop-down list - Microsoft Support
Select the cell in the worksheet where you want the drop-down list. Go to the Data tab on the Ribbon, and then Data Validation. Note: If you can’t select Data Validation, the worksheet might be protected or shared. Unlock specific areas of a protected workbook or stop sharing the worksheet, and then try step 3 again.
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Add or subtract dates - Microsoft Support
In the following example, you'll see how to add and subtract dates by entering positive or negative numbers. Enter the number of days to add or subtract in column B. You can enter a negative number to subtract days from your start date, and a positive number to add to your date. In cell C2, enter =A2+B2, and copy down as needed.
适用于: Microsoft 365 专属 Excel, Excel 网页版, Excel 2021, Excel 2019, Excel 2016
How to start a scan for viruses or malware in Microsoft Defender
Windows Android Mac. From the Microsoft Defender dashboard. Select Device details. Select Manage in Windows Security. Select Quick scan. Tips: If you want a deeper scan, instead of selecting Quick scan in step 3, select Scan options and choose the type of scan you want. For the most complete scan, run Microsoft Defender Offline.
适用于: Android 上的 Microsoft Defender, Mac 上的 Microsoft Defender, Windows 上的 Microsoft Defender
Skype Support for All products | Skype Support
Skype Support for All products | Skype Support
Camera doesn't work in Windows - Microsoft Support
If that doesn't work, or your camera is built in on your device, try this: Select Start , type device manager, then select it from the search results. Find your camera under Cameras, Imaging devices , or Sound, video and game controllers. If you can't find your camera, select the Action menu, then select Scan for hardware changes.
修复 Microsoft Store 应用出现的问题 - Microsoft 支持
如果你使用的是 Windows 11,并在使用 Microsoft Store 中的应用时遇到问题,请考虑这些更新和修复程序。. 首先,登录到你的 Microsoft 帐户 。. 接下来,按照显示的顺序实施这些可能的解决方案。. 确保 Windows 是最新的。. 选择“ 开始 > 设置 ”> Windows 更新 > 检查更新 ...
パスワードを変更またはリセットする - Microsoft サポート
Windows へのサインインに使用するパスワードを変更またはリセットする場合は、さまざまなオプションがあります。. この記事では、Microsoft アカウントまたはローカル アカウントを使用しているか、ログインしているか、サインイン画面で実行できる ...
Atualize os drivers manualmente no Windows - Suporte da Microsoft
Na caixa de pesquisa da barra de tarefas, digite gerenciador de dispositivos e selecione Gerenciador de Dispositivos. Selecione uma categoria para ver os nomes dos dispositivos e clique com o botão direito do mouse (ou pressione e segure) aquele que você deseja atualizar. Selecione Pesquisar automaticamente software de driver atualizado.
激活 Windows - Microsoft 支持
Windows 激活方法. 取决于你获取 Windows 11 副本的方式,你需要数字许可证或由 25 个字符组成的产品密钥才能激活该副本。. 如果二者都不具备,则无法激活你的设备。. 数字许可证(在 Windows 11 版本中称为数字授权)是 Windows 11 的一种激活方法,该方法不需要输入 ...