Voordat je begint. Zorg ervoor dat het apparaat waarop je Windows 11 wilt installeren voldoet aan de minimale systeemvereisten. Als op je apparaat momenteel Windows 10 wordt uitgevoerd, raden we je aan de minimale systeemvereisten te verifiëren met de app Pc-statuscontrole.Het is niet aan te raden om Windows 11 te installeren op een apparaat dat niet aan de vereisten voldoet.

Locate the device that you want to check the warranty on, then select Info & support.

本文介绍 Microsoft Excel 中 NPV 函数的公式语法和用法。. 说明. 使用贴现率和一系列未来支出（负值）和收益（正值）来计算一项投资的净现值。

Excel makes it easy to crunch numbers. With Excel, you can streamline data entry with AutoFill. Then, get chart recommendations based on your data, and create them with one click.

Efficiency mode What is efficiency mode in Microsoft Edge? Efficiency mode is designed to help extend battery life. It minimizes power usage by reducing resource usage through modifying background tab activity and some foreground activity, as well as putting inactive background tabs to sleep after 30 minutes or less of inactivity (if Save resources with sleeping tabs is on).

Windows 11 版本 22H2; 2024 年 7 月 9 日 - KB5040442（OS 内部版本 22621.3880 和 22631.3880） 2024 年 6 月 25 日 - KB5039302（OS 内部版本 22621.3810 和 22631.3810）预览

On the Choose an account screen, click the Microsoft account button.; On the Add your Microsoft account screen, enter the email address and password associated with your Microsoft account.; On the Make it yours screen, you'll have the option to make this Microsoft account your primary account. (This makes sign-in, settings, and syncing happen automatically for all other Microsoft services.)

If your Surface device or accessory is no longer covered by Microsoft’s Limited Warranty or Microsoft Protection Plan, you may be eligible for out-of-warranty service for a fee.

Note: To ensure people can't search for you in Microsoft Teams (free) by your old email or phone number, you'll need to remove it from your account.Remember, you cannot remove a primary alias without having another email/phone number in your account, so add your new alias before removing the old one.

You can use a simple formula to sum numbers in a range (a group of cells), but the SUM function is easier to use when you’re working with more than a few numbers. For example =SUM(A2:A6) is less likely to have typing errors than =A2+A3+A4+A5+A6. Here’s a formula that uses two cell ranges: =SUM(A2:A4,C2:C3) sums the numbers in ranges A2:A4 and C2:C3.