Go to https://vuo.org/download.
Click the “Download Vuo” button.
Uncompress the ZIP file (double-click on it in Finder).
Move the Vuo Editor application to your Applications folder.
Open the Vuo Editor application from the Applications folder and the Vuo Editor will appear. The first time you open it, you’ll see a dialog box prompting you to activate your software.
Click the “Activate Vuo” button to launch a web browser and complete the activation process. Depending on your browser, the activation might happen automatically, or you might need to follow the instructions on the web page.