Log into salesforce - https://b-lab.my.salesforce.com/
In the app search, enter funds
Click funds
Click new
Select partner for the record type and click next
Enter the fund name, choose an account to associate the fund with, and enter a registration url slug
Click save
The process to sync data can take up to 30 minutes, after which your registration url will be available at https://app.bimpactassessment.net/get-started/partner/your-url-slug where your-url-slug is the registration url slug you entered in the last step