Hello community! Can someone correct this sentance please? At the first, I go to play foot-ball at the park before taking a shower And thanks❤

At the first,I played football at the park before taking a shower.

Correction :

First, i'm going to play football at the park and i will take a shower after. 
D'abord, je vais jouer au foot au parc et je vais prendre une douche après.

I'm going to play football at the park before taking a shower.
Je vais jouer au foot au parc avant d'aller prendre une douche.