Go to the Defold download page where you will find Download buttons for macOS, Windows and Linux (Ubuntu):
Installation on macOS : The downloaded file is a DMG image containing the program.
To start the editor, open your "Applications" folder and double click the file "Defold".
Installation on Windows : The downloaded file is a ZIP archive that needs to be extracted:
To start the editor, open the folder "Defold" and double click the file "Defold.exe".
Installation on Linux : The downloaded file is a ZIP archive that needs to be extracted:
From a terminal, locate the archive file "Defold-x86_64-linux.zip" unzip it to a target Directory called "Defold".
$ unzip Defold-x86_64-linux.zip -d Defold
To start the editor, change directory to where you extracted the application, then run the Defold executable, or double click it on your desktop.
$ cd Defold
$ ./Defold
If you run into any problems starting the editor, opening a project or running a Defold game please refer to the Linux section of the FAQ.
You can download and install old editor versions using the following link pattern:
Replace %sha1% by the editor release hash representing the version in question. The hash of each Defold version can be seen in the links to the released version on the download page at https://d.defold.com/stable/ (make sure to remove the initial # character and only copy the alpha-numeric part):
Every stable version of Defold is also released on GitHub.