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To create the installation media, here's what you'll need: A PC with a reliable internet connection. The download time will vary, depending on your internet connection.

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。

Microsoft account help and support. Get help with signing in, locked or compromised accounts, linked accounts, closing, reopening, and updating your security info and account profile.

Tip: You can also check to see what your network adapter supports by opening the Command Prompt (or Terminal), and then typing the command netsh wlan show drivers.Look next to Radio types supported and see if it includes 802.11be (for Wi-Fi 7) or 802.11ax (for Wi-Fi 6/6e) and look under Authentication and cipher supported in infrastructure mode and see if it includes WPA3 Personal and WPA3 ...

Check your printer manufacturer’s support site. To find it, search the internet for the name of your printer manufacturer plus the word “support,” such as “HP support.”

可通过不同的方式删除应用和程序，因此如果找不到要查找的应用和程序，可以尝试另一个位置。 请注意，某些应用和程序内置于 Windows 中，无法卸载。

On the settings page for that app, change the setting for Let this app run in the background.Here’s a summary of each option: Always.The app is always allowed to run in the background—receive info, send notifications, and stay up to date—even when you’re not actively using it.

Invisible digital signatures in Word, Excel, or PowerPoint. An invisible digital signature, like a visible digital signature line, assures the authenticity, integrity, and origin of a document.

Wait for it to find nearby printers, then choose the one you want to use, and select Add device.If you want to remove the printer later, select it, and then select Remove.