We update our softwares time to time. You can see the current version from top right corner of the startup screen.
Currently we are using Tracker Hunter version 3.
Updating Tracker Hunter version 1 to Tracker Hunter version 2
You can find instructions by clicking here
Uppdating Tracker Hunter version 2 to 3
Read instructions here
In 2- and 3-series Tracker Hunter the checking of updates is done automatically when went to Licenses menu or when activated map loading. In case you want just download newest version, you can do it by browsing to page http://www.trackerhunter.com/download with the Internet-browser of your mobile phone and downloading the newest version.