This is the 3156th most frequent Japanese word.
勝て
"勝て" means "win" or "be victorious."
Here, "勝て" is part of the verb "勝てます," in its polite affirmative form, meaning "to win."
次の試合では必ず勝てます。
We will definitely win the next match.
In this usage, "勝て" is the imperative form of the verb "勝つ," used to give a direct command to someone to win.
どんな状況でも諦めずに勝て！
Do not give up under any circumstances; win!
"勝てる" is the potential form of "勝つ," meaning "can win," indicating the ability to achieve victory.