Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

Here are some best practices for earning Microsoft Rewards points so you can redeem them for gift cards, games, sweepstakes, nonprofit donations, and more.

Training: Get started with SharePoint in Microsoft 365. At office.com, sign in to SharePoint, then select the SharePoint tile.

Learn how to download and install apps you need from your Microsoft 365 business subscription.

Learn how to add a printer or scanner in Windows. If your printer connects by a wire, plug it into your device. It'll connect automatically, your PC will download the right drivers, and you can use it right away.

Use VLOOKUP, HLOOKUP, and other functions like INDEX and MATCH to search for and find data based on values you enter. This article gives you a quick VLOOKUP refresher, then links to more.

Keeping Bing as your default search engine provides an enhanced search experience in the new Microsoft Edge , including direct links to Windows apps, relevant suggestions from your organization if you’re signed in with a work or school account, and instant answers to questions about Windows.However, you can change the default search engine to any site that uses OpenSearch technology.

Find out what Microsoft Rewards are, how you can redeem them, how to download the app, and where to get help if you need it.

Get steps for how to change screen brightness in Windows.

Learn how to enable virtualization through the UEFI (or BIOS) of your PC to run the Windows Subsystem for Android or Windows Subsystem for Linux.