To change your screen resolution, use the drop-down menu under Display resolution.. Note: You should use the Recommended resolution. If you change the resolution, content might appear blurry or pixelated.

In the search box on the taskbar, type Manage BitLocker and then select it from the list of results. Or, select the Start button, and then under Windows System, select Control Panel.In Control Panel, select System and Security, and then under BitLocker Drive Encryption, select Manage BitLocker. Note: You'll only see this option if BitLocker is available for your device.

In Sound settings, go to Input and under Test your microphone, look for the blue bar that rises and falls as you speak into your microphone.If the bar is moving, your microphone is working properly.

We want to hear from you! Please continue to share your feedback with us — either in the Google Play Store, directly in the Phone Link and Link to Windows apps, or at the bottom of this article.

Summary. Windows 10, versions 2004, 20H2, 21H1, and 21H2 share a common core operating system with an identical set of system files. Therefore, the new features in Windows 10, version 21H2 are included in the latest monthly quality update for Windows 10, version 2004, 20H2, and 21H1, but are in an inactive and dormant state.

但如果需要测试多个条件，例如我们假设所有条件都需要为 True 或 False (AND)，或只有一个条件需要为 True 或 False (OR)，或者如果想要检查某个条件是否不 (NOT) 符合你的条件，这时该怎么做呢？这三个函数均可以单独使用，但它们更常见于与 IF 函数成对使用。

Learn how to open MSConfig in Windows 10 using the taskbar search bar and access system configuration.

If Windows Update finds an updated driver, it will download and install it, and your printer will automatically use it. If a device driver couldn’t be installed automatically, there may be an optional driver available that your printer can use.

Step 2: Back up your folders. Windows Backup is an easy, single stop for all of your backup needs. Your free Microsoft account comes with 5 GB of OneDrive cloud storage (and more storage is available if you need it), and backing up your folders syncs the folders you specify to your OneDrive account, making them instantly accessible on all computers that you use with this Microsoft account.

To change appearance, select Appearance and make the changes you want to your default theme, zoom, toolbar, and fonts.