Setup Assistant for Newly Activated Organizations helps to set up Salesforce without the consultaion of an implementation partner.

Setup Assistant provides helpful videos and guides in importing Sales data and completing basic configurations.

Note:


This will appear to System Administrators for the first 90 days after the activation of new organizations.

Check the below link for more information

https://help.salesforce.com/articleView?id=000214525&type=1

Cheers!!!