Your CD or DVD drive is not recognized by Windows or other programs
Windows cannot start this hardware device because its configuration information (in the registry) is incomplete or damaged. (Code 19)
Device protection in Windows Security - Microsoft Support
Windows Security provides built-in security options to help protect your device from malicious software attacks. To access the features described below, tap the Windows Start button, type windows security, select it from the results, and then select Device security.
Microsoft Edge 中的 Internet Explorer 模式 - Microsoft 支持
有些网站专为与 Internet Explorer 一起使用,它们具有 Microsoft Edge 等新式浏览器不支持的功能。 如果你需要查看其中的某个网站,可使用 Microsoft Edge 中的 Internet Explorer 模式。
Fix common Surface problems using the Surface app and Surface ...
Access, download, or run the Surface app and the Surface Diagnostic Toolkit to help find and solve Surface problems.
32-bit and 64-bit Windows: Frequently asked questions
To install a 64-bit version of Windows, you need a CPU that's capable of running a 64-bit version of Windows. The benefits of using a 64-bit operating system are most apparent when you have a large amount of random access memory (RAM) installed on your computer, typically 4 GB of RAM or more.
Microsoft Store doesn't open - Microsoft Support
If you're having trouble launching Microsoft Store, here are some things to try: Reset the Microsoft Store cache: Press the Windows Logo Key + R to open the Run dialog box, type wsreset.exe, and then select OK.
Fix problems with the Start menu - Microsoft Support
Sign out of your account and then sign in to your new account. If everything is fixed, move your personal data and files to the new account. To move your personal files from your old account to your new account, try opening File Explorer, expanding This PC > OSDisk (C:), and looking in the Users folder, where you should see folders for both accounts.
Change the power mode for your Windows PC - Microsoft Support
Note: You might not be able to change the power mode when a custom power plan is selected.If you can’t set the power mode in Power & battery settings, open Control Panel, select System and Security > Power Options, then choose a Balanced power plan.
Update for Visual C++ 2013 Redistributable Package
Symptoms. When the operating system is in high-DPI mode, applications that use the Microsoft Foundation Classes (MFC) library of Microsoft Visual C++ 2013 may behave incorrectly.
Choose between the 64-bit or 32-bit version of Office
I know which version I want. How do I install it? The 64-bit version of Microsoft 365 is automatically installed unless you explicitly select the 32-bit version before beginning the installation process.. To install either the 32 or 64-bit version of Microsoft 365, Office 2021, or Office 2019, follow the steps in Install Office on a PC.
Applies To: Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin