SQL-Sales listing on the AppExchange
https://appexchange.salesforce.com/appxListingDetail?listingId=66521b0d-ded9-4254-a0cc-2d3499817826
Managed Package installation instructions here:
https://help.sql-sales.com/en/articles/9606814-managed-package-installation
Download SQL-Sales software here:
https://sql-sales.com/download/sql-sales.zip
Full setup instructions here:
https://help.sql-sales.com/en/collections/4805161-setup
Full e2e install demo here (10 minutes):
https://youtu.be/2qgMY8RSgyk
Alternatively, full pdf documentation
https://sql-sales.com/download/sql-sales-guide.pdf