Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

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。

* Se você não tiver uma chave do produto (Product Key) ou uma conta. Algumas versões do Microsoft 365, como Office Professional Plus 2021, Office Standard 2021, ou um aplicativo autônomo, como Word 2021 ou Project 2021, não têm uma conta Microsoft associada, ou uma conta corporativa ou de estudante.. As etapas para instalar essas versões podem ser diferentes, dependendo se você obteve ...

With Windows Media Player, you can burn three kinds of discs: audio CDs, data CDs, and data DVDs. To decide which kind of disc you should use, you'll need to think about what you want to copy, how much you're copying, and how you want to play the disc.

Safe mode starts Windows in a basic state, using a limited set of files and drivers. If a problem doesn't happen in safe mode, this means that default settings and basic device drivers aren't causing the issue.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Find out how to set up and manage your security info and verification codes for your Microsoft account, and troubleshoot common issues.

Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.

Microsoft Reflect helps you create impactful check-ins to gain insights into your learners' well-being and build a happier and healthier learning community, all through one easy-to-use app. By identifying your students' emotions, you can express fill their needs. Use emojis and pictures of emotion words to gauge how students feel.

On the Switch out of S mode (or similar) page, select the Get button. After you see a confirmation message on the page, you'll be able to install apps from outside of the Microsoft Store.