1. Download Adobe AIR for GNU/Linux to the home directory.

2. The file name is AdobeAIRInstaller.bin

3. Change mode the file to execute.

chmod +x AdobeAIRInstaller.bin

4. Run:

sudo ./AdobeAIRInstaller.bin

which will bring the Adobe AIR Setup-installation window.

Alternatively you can use:

sudo sh AdobeAIRInstaller.bin

to bring up the installation window.