Opening your own restaurant or bar is certainly an exciting and fulfilling experience. If you want to sell alcohol in your establishment, however, there are a few more steps you'll need to take to obtain your liquor license and offer alcohol on your menu. Here is everything you need to know to get started. 1) Research the law in your local area. Since a liquor license gives the holder the legal right to serve alcohol, there are many rules and regulations surrounding how licenses are awarded.