安装 Windows 11 在针对你的特定电脑测试和验证 Windows 11 升级后，Windows 更新将指示它已准备好安装。 若要检查 Windows 11 是否已为你的设备准备就绪，请转到“开始” “设置” >“更新和安全性” >“Windows 更新”，然后选择“检查更新”。 如果升级适用于你的设备，并且想要继续，请下载并安装它。

Open your Windows Security settings. Select Virus & threat protection > Protection history. The Microsoft Defender Offline scan will automatically detect and remove or quarantine malware. Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

Note: Recovery drives created and used on machines with the April 9, 2024 security update and the revocation policy applied may be impacted.For more, see KB5025885: How to manage the Windows Boot Manager revocations for Secure Boot changes associated with CVE-2023-24932.

To install Authenticator on your Android device. Scan the QR code. or download and install Authenticator from the Google Play store. Get the app.

Activate Windows using a product key. A product key is a 25-character code, that looks like this: PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. During installation, you'll be prompted to enter a product key. Or, after installation, to enter the product key, select the Start button, and then select Settings > System > Activation > Update product ...

To view a website using Internet Explorer mode in Microsoft Edge, use the following steps. Navigate to the website you want to view in Internet Explorer mode. Click the three dots in the upper right corner of the browser window. Select Reload in Internet Explorer Mode. If you are on Microsoft Edge version 92 or earlier select More tools ...

Adding an input language lets you set a language-preference order for websites and apps. It also lets you change your keyboard language. Select Start > Settings > Time & language > Language & region. Under Preferred languages, select the language that contains the keyboard you want, and then select Options. Select Add a keyboard and choose the ...

Using AND, OR and NOT with Conditional Formatting in Excel. In Excel, you can also use AND, OR and NOT to set Conditional Formatting criteria with the formula option. When you do this you can omit the IF function and use AND, OR and NOT on their own. In Excel, from the Home tab, click Conditional Formatting > New Rule.

Open Device Manager. In the search box on the taskbar, type device manager, then select Device Manager from the menu.

Use the XLOOKUP function to find things in a table or range by row. For example, look up the price of an automotive part by the part number, or find an employee name based on their employee ID. With XLOOKUP, you can look in one column for a search term and return a result from the same row in another column, regardless of which side the return column is on.