Article: Go to https://www.lwks.com/ in your browser, then click the blue Download Now button in the upper-right side of the page. Click the Windows tab or the Mac tab depending on which type of computer you use. For a Windows computer, click Download 32-bit for a 32-bit operating system, or click Download 64-bit for a 64-bit operating system.  On a Mac, click Download DMG here instead.  Check your computer's bit number if you don't know whether your version of Windows is 64 bits or 32 bits. Once the LightWorks setup file finishes downloading, do the following:   Windows - Double-click the setup file, click Yes when prompted, select a language and click OK, click Next, check "I accept" and click Next, click Next three more times, enter a random number, and click Install. Click Next and then Finish when the installation completes.  Mac - Open the LightWorks DMG file, click and drag the Shotcut icon onto the Applications folder shortcut, and verify the software if prompted. Follow any other on-screen instructions as they appear. To do so:   Windows - Double-click the red LightWorks icon on your desktop.  Mac - Click the LightWorks app icon in your Mac's Dock, or click Spotlight {"smallUrl":"https:\/\/www.wikihow.com\/images\/e\/ea\/Macspotlight.png","bigUrl":"\/images\/thumb\/e\/ea\/Macspotlight.png\/30px-Macspotlight.png","smallWidth":460,"smallHeight":460,"bigWidth":"30","bigHeight":"30","licensing":"<div class=\"mw-parser-output\"><p>I edited this screenshot of a Mac icon.\n<\/p><p>License: <a rel=\"nofollow\" class=\"external text\" href=\"http:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a><br>\n<\/p><\/div>"}, type in lightworks, and double-click the lightworks result. It's a link in the upper-left corner of the window. In the pop-up window that appears, do the following:  Enter a name in the "Name" text field. Click the "Frame rate" drop-down box. Click Mixed rates  Click Create It's near the upper-left side of the window. Click the green screen video that you want to use, then hold down Ctrl (Windows) or ⌘ Command (Mac) while clicking the image or video that you want to use as the background. If you don't see the files that you want to use, click the Places button and then select the folder in which your files are stored in the drop-down menu. It's in the lower-left corner of the window. This will import your files into LightWorks. This option is at the top of the LightWorks window, just right of the LOG tab. Right-click the horizontal track section at the bottom of the window, click Tracks in the drop-down menu, and click Add video in the pop-out menu. You should see a "V2" track category appear on the left side of the window. Click and drag your green screen video into the "V1" section of the track area and drop it there, then drag the image or video that you want to use as a background into the "V2" section.  If you're using a background video, the video should be the same length as your green screen video. If you're using a background image, you'll need to click and drag the image's left or right edge to extend it to be the length of the video. It's at the top of the LightWorks window. Right-click the "V1" track at the bottom of the window, click Add, click the Key category, and click Chromakey in the menu. Click the eyedropper icon to the left of the "Saturation" section, then click the green part of the green screen. This will select any matching color as the item to replace with your background image or video. Click and drag the "Remove spill" slider that's on the left side of the page to the right. Doing so minimizes the amount of green that you'll see due to inconsistent color in your green screen. Click the triangle-shaped "Play" button below the video on the right side of the window to see how your video turned out. If you need to adjust the green screen some more, do so on the left side of the window. To do this, click the EDIT tab again, right-click the track section, click Export, click YouTube, uncheck the "Upload to YouTube.com" box if it's checked, and click Start in the bottom-left corner of the drop-down menu. This will convert the project into a playable video file. Exporting may take several minutes to several hours based on the video's size and resolution.
What is a summary of what this article is about?
Open the LightWorks download page. Select your operating system. Download LightWorks. Install LightWorks. Open LightWorks. Click Create a new project…. Set up your project. Click the Local Files tab. Select files. Click Import. Click the EDIT tab. Create a second video track. Add your files to the track area. Click the VFX tab. Add the green screen Chroma key effect. Select your green screen. Adjust the green screen. Preview the video. Export your video.