Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

Wirelessly connect your PC to a TV, projector, another PC, or other kind of external display that supports Miracast.

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.

Learn how to find which version of Windows operating system your PC is running and device specifications.

This article tells you how to add email accounts to the Mail and Calendar apps so you can start sending and receiving email and creating and managing events.

Remote Assistance and Easy Connect let someone you trust take over your Windows 10 PC and fix a problem from wherever they are.

Learn how to improve the clarity of text and images displayed on your screen by changing the screen resolution of your monitor.

Explore your options and settings when you install add-ins.

Learn about installing and adding printers in Windows. In most cases, all you have to do to set up a printer is to connect it to your PC.