...
Depending on your desired ship, there are several different ways to obtain them to order as you see fit. They are described below. You may wish to equip drones to soem ships (Capital Ships and Medium Miners). This can be done when ships are purchased and in other ways, which are all explained on the Drone page here.
Legitimate and Legal Way: Buy it
...
Refer to the articles about Boarding Ships for more info (link).
Simply put, you order your boarding team to try to overrun and take control of the ship. Note that it will reduce your reputation with <target> faction (as well as any faction nearby that is allied to <target>) to do so.
...