When prompted, enter the product key. You can find the product key on the sticker on the CD case or other packaging. If you need help, see Find your Product Key for Office 2007.

If you want to give access to desktop apps, make sure that Let desktop apps access your microphone is turned on.You can't turn off microphone access for individual apps. Others can't hear me. Try the following solutions:

Try it! Universal search. Select Search on the taskbar or press Windows logo key + S, then type what you want to find.You'll get personalized search results for people, email, and files in local and shared sites, or from the web. Desktop groups

Notes: Meeting recordings won't capture whiteboards, annotations, shared notes or content shared in the stage view by apps, and also won't include videos or animations embedded in PowerPoint Live presentations.

Note: Use these steps for Windows programs.If you're having problems with an app you got from Microsoft Store, go to Fix problems with apps from Microsoft Store.

Battery Life: Lowering your refresh rate can save battery power by reducing the amount of energy your display consumes.This can be useful when you are using a laptop or tablet and want to extend your battery life.

At Microsoft, we're guided by our AI principles, our Responsible AI Standard, and decades of research on AI, grounding, and privacy-preserving machine learning.Data privacy and security is a key principle of responsible AI. We aim to help our customers use our AI products responsibly, sharing our learnings, and building trust-based partnerships.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

Tip: If you're a Microsoft 365 Family or Personal subscriber you get Microsoft Defender, our advanced security software for Windows, Mac, iOS, and Android, as part of your subscription.Learn more at Getting started with Microsoft Defender.

Note: You might not be able to change the power mode when a custom power plan is selected.If you can’t set the power mode in Power & battery settings, open Control Panel, select System and Security > Power Options, then choose a Balanced power plan.