Install Adobe AIR in Ubuntu

1. Download Adobe AIR for GNU/Linux to the home directory.
2. The file name is AdobeAIRInstaller.bin
3. Change mode the file for 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.
5. Done