One of the greatest features of Adobe AIR platform is its update capability. You can embed update functionality in every AIR application so easy and be sure that all of you users will run latest and bug free version of you application. The great thing about this is that it’s free to developer up to include this functionality in anyway that they like.
To accomplish an update process, generaly these steps must be done:
1.Check for update to see whether a newer version is available or not.
2.Download update file from server, if update is necessary.
3.Write Downloaded file in temporary location on users hard drive.
4.Call update function of Updater class and AIR will handle the rest of update process.