Psiak

Osbot no run 3840x1800? Why i dont understand

Hi, I have a problem. I bought myself Monitor 4k. And I would like to play at 3840x1800 But there is one problem I do not see at the bottom of the all / game / public / private / trade it bar https://gyazo.com/0021a9ce8d830f3398ddd8afbfca407e Just barely what to click launch https://gyazo.com/e7af1973ad32b506e2504ca413a2cf6d