It is but an update to the base game. You cannot “download ETS2 1.47” as a standalone illegal copy – you update to it through official platforms.
: If you want to try the game before purchasing, a free demo is available on the official website or Steam. Key Features of Version 1.47 euro truck simulator 2 147 download link
– you will risk your PC and get a broken, outdated version. Instead: It is but an update to the base game