How do you download the extension packages in game maker 7.0?

To download extension packages in GameMaker 7.0, visit the official YoYo Games website or community forums where developers share their extensions. Once you find the desired extension, download the package file, which typically has a .gm7 or similar extension. After downloading, open GameMaker 7.0, go to the "File" menu, select "Open," and then navigate to the downloaded extension to import it into your project. Be sure to read any accompanying documentation for installation instructions and compatibility notes.