pirus

I don't have a FN button. Whenever I click F10 then it shows "Auto HP potion on/off". I do not close luncher, I've got it in tray.

F10 button simply does not work me. It does not switch between window and if I'll try to click F12 and then left click fast on a window that I want to have on then every other window closes. Yes, I have MU in windowe mode. Also, I had problems with minimalizing the game on fullscreen mode with alt+tab before. Game was crashing/closing itself after I did hit alt and tab. Tried win key + tab and it close the game as well. I have win 10. Thanks for help in advence.