下載網址：
Windows 平台
https://get.adobe.com/tw/air/download/?installer=Adobe_AIR_21.0_for_Win32&standalone=1
http://airdownload.adobe.com/air/win/download/21.0/AdobeAIRInstaller.exe
Mac OSX 平台
http://airdownload.adobe.com/air/mac/download/21.0/AdobeAIR.dmg