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.
## Install an old version
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 on https://d.defold.com/stable/.