This demo allows to play the entire game for up to 60 minutes, updated to version 1.26.2.4 . Afterwards you can buy a license key on the official site www.eurotrucksimulator2.com to continue playing the game. 

If you are already familiar with the game from older demos, please check the official blog for a list of changes and some new screenshots:

http://blog.scssoft.com/2016/11/ets2-update-126-is-now-live.html