Play poker holdem games for real money to practice for the first rounds of freeroll tournament of multi-table poker. It's a good way to practice as you do not have the pressure of the blinds. So play as much as you can in poker cash games, always playing a solid game like if you were in the actual tournament.

Have a plan of game for your tournament. Decide if you will start playing hard in the first rounds, or if you will try to play hard to try to accumulate chips since the beginning. Think in advance what strategy you will take if you get short, or if you have many chips, or how you adapt to your opponents different playing styles. Be prepared for anything!

When you're playing always watch your opponents and see which would defend the blinds and which one not. As higher are the blinds, more precious becomes the information for the other poker texas holdem players of the table. Remember that aggressive players are easy to catch with a good move.

A good way to end practicing everything you learned is to make your own texas holdem tournament with friends. Play the holdem poker mode you like the most, determine how long you want each game to last, and start playing. Note that the actual multi-table tournaments last more than 4 hours, so be prepared to stand.