How to switch between Early Access playtest and Live versions of POPULATION: ONE (Steam)
Updated
IMPORTANT: This will not work if you haven't received a Steam beta code for POPULATION: ONE Early Access. Please submit a support ticket if you need a new code.
Open your Steam Library on your computer
Right click POPULATION: ONE and select Properties
Select Betas and enter your beta code
Select earlyaccess - POP: ONE Early Access from the drop down