How do I make my iracing screen full running threw sim commander

[Holtech]

How do I make my iracing screen full running threw sim commander?.....I hav triple screens, sim commander iracing game selection logo is takin up one full screen, my iracing game screen is small in the corner of the same screen, u hav to scroll thee it little my little, please help?

 

[Niel Hekkens]

To be honest, I have no clue what your problem is.