Open the link https://eventsmanager.facebook.com/events_manager2/overview?
You definitely need a Business manager Account, select it and go to the Events Manager Overview page


Click Connect Data

Select Web

Create new dataset

Enter Name

Set up Conversion API

See other ways to setup

Set up manuallu

This page will open, click continue

Select Subscribe

We tick all the client data as in the screenshot

Continue

Continue

Get Started

Generating a Pixel Token

Select our new pixel and click Generate acces token

Done! We received a Pixel Token. It should be like this
EAAPkhHxZBKs0BSZBwEfebJreSrZAK8CeH4OazTrwHi2kYAUMrugWcnY8LX5Afnrw6ZAPaZBHbcPYi7G4uqoZCBlgwxkyxRVWCBxQG5 RnIHZACARgWVBdPOXldWS5ZAE0fizOqI5CS3QeZCNHTZAplOYniii2faku92RPqD9vGZBbtGbHWwEKCUxGDEZCujF6WUUo2ha3ygZDZD

Go down and click Finish

Copy the pixel number from here


We have a CAPI Pixel that looks like this:
Number 39882940758021062
Token EAAPkhHxZBKs0BSZBwEfebJreSrZAK8CeH4OazTrwHi2kYAUMrugWcnY8LX5Afnrw6ZAPaZBHbcPYi7G4uqoZCBlgwxkyxRVWCBxQG5 RnIHZACARgWVBdPOXldWS5ZAE0fizOqI5CS3QeZCNHTZAplOYniii2faku92RPqD9vGZBbtGbHWwEKCUxGDEZCujF6WUUo2ha3ygZDZD

In Adsmanager select a company for Conversions, Subscribe event