Can`t use all the teams

Hi; I just purchased M17 through the Playstation Store online and downloaded it yesterday on my PS4 Hard Drive.

The first time I launched the game, I didn’t had any issues to play the Redskin and Ram´s intro matchup. However, after playing this intro game, I wanted to play an exhibition match, but was surprised to figure out that I couldn´t change the teams to play with; only the side of Home and Visitor. Meaning that I could only choose either Redskins or Rams.

Another thing that brought my attention is that in the upper left corner of the screen and installing message appeared with a clock time winning down (saying like 35 hours or so). Aside from that, I realiezed that many of the game modes were unselectable with a massage saying “installing…”. Does this mean that I have to wait for that installing message insiede the game to wine down in order to play the game at full capacity? And does this involve the all team selection in the “play now” mode?