Full instructions for both new installations and upgrades from older installations of Tracks can be found in the wiki.
As always, make sure that you take sensible precautions and back up all your data frequently, taking particular care when you are upgrading.
Enjoy being productive!
If you are thinking about contributing towards the development of Tracks, please read /CONTRIBUTING.md for general information. Also you can find some information on development, testing and contributing on the wiki.