Okay, this 4 minute video helped me:
https://www.youtube.com/watch?v=ZYv3ipOC6tA
Only login to OLS and change the port 8088 to 80 and create HTTPS port for 443. VOALA!
I don´t must mind, OpenLiteSpeed working PERFECTLY yet with Ubuntu 22 and Debian 11... Check your install scripts, because default install OLS have 8088 port...