AS you have mentioned that want to know steps to install Adobe air in your system and that is why I would like to tell you that you should first open terminal and then download Adobe Air executable with below code.
Originally Posted by Moli
Now you need to change the permission of the adobe air excitable file. To change the file permission you have to enter below command.
Now with the help of below command you have to install Adobe air.
sudo chmod +x AdobeAIRInstaller.bin
if you face any problem with adobe air installation then let me know.