Did you change the location of the client installation, when prompted by the new launcher? Or did you immediately click [Install]?
If the latter, and you’re not seeing the profiles in the drop-down to apply them per account, you may…
- Open the Settings (cog icon top right)
- Select
Tools / Cache - Click on the
Look for Profilesbutton
This should populate your dropdowns with profiles that have previously been used when starting clients.
In case of the latter you will need to correct the name of the profiles directory in %localappdata%\CCP\EVE\ to match your current client installation path.