Find out how to download and install Office 2016 on your PC or Mac, or reinstall it if you already have a product key. Learn how to activate Office 2016 and troubleshoot common issues.

Learn how to uninstall or remove apps and programs in Windows 10 or 11 using different methods. Find tips and troubleshooters for common issues and errors.

Learn how to use the System File Checker tool (SFC.exe) to scan and restore Windows system files that are not working or causing crashes. Follow the steps to run SFC.exe, view the scan results, and manually replace the corrupted files if needed.

Learn how to use the PC Health Check app or the Microsoft Compatibility Appraiser task to see if your device meets the system requirements for Windows 11 after changing your hardware. Find out how to refresh the eligibility assessment and what factors affect the upgrade offer.

Find solutions to common problems, or get help from a support agent for Microsoft 365, Office, Windows, Xbox, Surface and more. Sign in to get personalized help and access live chat, phone, or email options.

Learn how to download and install Microsoft 365 or Office 2021 on a PC or Mac with a Microsoft account, work or school account, or product key. Find out how to activate, change versions, and troubleshoot common issues.

Microsoft 365 is a subscription service that offers the latest productivity tools, cloud storage, and support, while Office 2021 is a one-time purchase that does not include upgrades or updates. Compare the features, prices, and benefits of both options and find out which one suits your needs.

Learn how to view, manage, and install add-ins for Microsoft 365 programs on Windows. Find out how to troubleshoot add-in errors, security settings, and device permissions.

Learn how to check if your PC can run Windows 11, back up your files, and install the new Windows experience. Find out about Windows 11 features, apps, and productivity tools.

Learn how to download and install Visio 2016 or Visio Plan 2, a subscription-based version of Visio, on your Windows PC. You need a product key or a work or school account to access Visio.