Note: The first time you use the DirectX Diagnostic Tool, you might be asked whether you want to check if your drivers are digitally signed.We recommend that you select Yes to help ensure that your drivers have been signed by a publisher that has verified their authenticity.

Turn your Windows PC into a mobile hotspot by sharing your internet connection with other devices over Wi-Fi. You can share a Wi-Fi, Ethernet, or cellular data connection.

Press the Start button , and then enter store into the search bar.; Choose Microsoft Store from the results to open the app.; Select your account in the top-right corner of the screen, and then select Redeem code or gift cards.; Enter the 25-character code, select Next, and then follow the prompts.

Issues that are fixed in this update. The following issues are fixed for .NET Framework 4.7.2. SQL Server (SQL) Fixes an issue in which the .NET Framework API SqlConnection.ConnectionString property is used to set a null or empty connection string. In this situation, a Null Reference Exception (NRE) occurs when you use the API together with .NET Framework 4.7.2.

OneDrive 上的文件在共享之前是私有的。 请记住，使用编辑权限共享文件夹时，你与之共享的人员可以 将共享文件夹添加到自己的 OneDrive。 这使他们可以将该文件夹与他们自己的文件夹和项目保留在一起、轻松地在文件夹之间移动项目以及更轻松地脱机处理项目。

Under Important Updates, choose Install updates automatically, and under Microsoft Update check the Give me updates for Microsoft products and check for new optional Microsoft software when I update Windows box to get the Office updates.. Your IT department might set automatic updates for you. If they do, you'll see the message in the yellow bar, and you won't be able to use the Important ...

How does multifactor authentication work? Let's say you're going to sign into your Microsoft account or work or school account, and you enter your username and password.If that's all you need then anybody who knows your username and password can sign in as you from anywhere in the world!

If you want to give access to desktop apps, make sure that Let desktop apps access your microphone is turned on.You can't turn off microphone access for individual apps. Others can't hear me. Try the following solutions:

Important: If your device is out of support, it is no longer receiving security updates from Microsoft and may become more vulnerable to security risks and viruses.For this reason, we strongly recommend that you update to the latest version of Windows. Each version of Windows is supported for 18 months.

Get started with basic tasks in Excel such as opening a workbook, entering and formatting data, calculating data, and trying some quick analysis features..