The Steam/GOG versions do all this for you.
If you are looking to play this classic, The Art of War is widely considered the "Gold Standard" of the original trilogy.
: New units like the Bedouin camel riders for Algeria and Turkey, and features like the "Peace Time" option to allow for economy building before combat begins. Cossacks: Art of War on Steam
This article explores the legacy of the game, what makes the expansion essential, and how you can safely download and play the full version on modern hardware.