Hi Raul. If you have specific questions, the best place to start is the search bar at the top of the page. If you can't find your answers there feel free to post your question and we will do our best to answer!
'Adobe Illustrator' is a software programme for designing various artistic creations, be it for tshirts, printing, websites blah blah blah etc etc....
you can download free trials online(**be careful**) and then find a hacked serial number if you wanna get the full thing, but i didn't tell you that!
Although, everyone's doin it these days, so i guess there'd be more originality in your own drawings yknow!
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