Finding the Plugin's Settings

Find it under Paid Memberships Pro -> Turnstile

Turnstile Settings in Paid Memberships Pro

To find the plugin's settings, find the Paid Memberships Pro menu item and then select Turnstile.

Alternatively, if you are on the Plugin's screen, search for Cloudflare Turnstile and click on the settings screen from the plugin row.

Paid Memberhips Pro Turnstile Settings