How to start a scan for viruses or malware in Microsoft Defender
Microsoft security help and learning. If you suspect that your device may have malware you should have Microsoft Defender run a scan. Here's how to do that on Windows, Mac, or Android.
Download and install or reinstall Office 2021, Office 2019, or Office …
Download and install or reinstall Office 2021, Office 2019, or Office 2016. Important: Support for Office 2016 and Office 2019 ended on October 14, 2025 and there will be no extension and no …
Download and install apps - Microsoft Support
Learn how to download and install apps you need from your Microsoft 365 business subscription.
Use the Office offline installer - Microsoft Support
Download the Microsoft 365 Deployment Tool from the Microsoft Download Center.
Show or hide the ribbon in Office - Microsoft Support
Full-screen mode hides the ribbon for the best view of your document, and only shows the ribbon when you select the ellipsis (...) in the upper right, or press the ALT key. Show tabs only …
What's the difference between a paid Microsoft 365 subscription …
With a Microsoft 365 Personal, Family, or Premium subscription, you'll always have the most up-to-date productivity tools with the latest AI-powered features, such as Copilot in Word, Excel, …
Choose between the 64-bit or 32-bit version of Office
To install either the 32 or 64-bit version of Microsoft 365, Office 2021, or Office 2019, follow the steps in Install Office on a PC. Important: If you install the 64-bit version, but want the 32-bit …
What's the difference between Microsoft 365 and Office 2024?
Get the fully installed and latest versions of Excel, Word, PowerPoint and Outlook, and OneNote for Windows or Mac. You'll always get the latest features, new tools, security updates, and bug …
Keyboard shortcuts in Word - Microsoft Support
However, you need to know the full shortcut. For example, press Alt, and then press one of the old menu keys E (Edit), V (View), I (Insert), and so on. A notification pops up saying you're …
Change your screen resolution and layout in Windows
Learn how to improve the clarity of text and images displayed on your screen by changing the screen resolution, scale and layout of your monitor.
Restart (reboot) your PC - Microsoft Support
Select the Start button, then Power > Restart.