Question

Where can I find the firmware dont see it on the website where my account information is located

Answer 1

Don't worry. you're on the latest releases.

Firmware 1.50a build 190 was the last firmware release for StudioLive 16.4.2 (1st Generation) Mixer.

http://support.presonus.com/hc/en-us/articles/210047023-Universal-Control-and-the-corresponding-firmware-versions