Patience.
Start with micro buy ins, when you can beat the micros, go to the low buy ins ...
Winning a micro MTT doesnt mean that you are ready to the next buy-ins, so be careful
There is a lot of Micro MTTs strategy in the forum. I recommend in the first 1 hour for waiting premium
hands. At this stage of the Tournament there is a lot of bad players opening any shit, calling everything with any pair (be careful with the bluffs). After 1-2h of tournament those player are already out. Then you can start stealling blinds, etc
I was playing 4.4 bounty yesterday. Then a new player came to my table, he was going all in every 4 hands he played, so i though: he are shoving ane Ax, KQ, pocketpair, and another marginal hands. I waited for a good hand (QQ in this case) and knocked he out of the tournament. He had JTs

As our friend said, playing against better players and watching better players will help two.
For exemple:
Its fun to watch two, and its commented.
Its final table, ofcourse its different for early stages, etc.