Locate Nightingale in your Steam library
Right-click on Nightingale
Select “Properties”
Select the “Betas” tab
Copy and paste the following into the “Private Betas” section: PTRNovember2024
Ensure “public-test-realm” is selected under “Beta Participation”
Allow the game to install your updates
Start a new profile or you can try copy your main branch character to the PTR Offline mode
If your main branch character is in Online Mode
Sign into your account and download your character: https://auth.playnightingale.com/auth/linking/
After signing in, you should see your characters. Click it to download a zip file containing the data for your character(s).
NOTE: Characters in the "Archived" section CANNOT be used for PTR
Extract the zip file into '%localappdata%\nwx-test\Saved\Offline'
Launch Nightingale, choose Offline Mode, and select your newly imported character