After you have downloaded and installed Windows Live Movie Maker in Windows 7, you can begin to make adjustments to the videos on your computer. If you have not yet installed this free program, you can follow the instructions in this article. One adjustment available to you is the ability to change the aspect ratio from 4:3 to 16:9 (widescreen). This setting is ideal for setting your video to use the maximum amount of space available on the screen on which you intend to view your video.
Step 1: Launch Windows Live Movie Maker.
Step 2: Click the “Click Here to Browse for Videos and Photos” in the center of the window.
Step 3: Click the “Project” tab at the top of the window.
Step 4: Click the “Widescreen” or “Standard” button at the top of the window to switch between the different aspect ratios. Once you are done, you can save the video by clicking the “Movie Maker” tab at the top-left corner of the window.

Matthew Burleigh has been writing tech tutorials since 2008. His writing has appeared on dozens of different websites and been read over 50 million times.
After receiving his Bachelor’s and Master’s degrees in Computer Science he spent several years working in IT management for small businesses. However, he now works full time writing content online and creating websites.
His main writing topics include iPhones, Microsoft Office, Google Apps, Android, and Photoshop, but he has also written about many other tech topics as well.