Overview
Below are instructions for the E-M10 Mk IV. On the Olympus, many of the settings can be adjusted in Live Control (LV).
I would explore options to set the Default settings.
Follow the instructions below to customize your own settings.
1.set your Color SPACE to Adobe RGB
2.set image quality to RAW ONly
3.Turn off Auto-ISO
4.Turn ON Auto-WB (White Balance)
5. Set Picture mode to muted
6.Make sure that your viewfinder is in focus by adjusting the diopter
7.Set up Back-Button Focus
I picked a video that seems to generically apply to Olympus cameras, please let me know if you find a more accurate one.