1. Select AppExchange from the Lightning Platform Apps drop-down list. You can also click here.
2. Search the AppExchange site for Salesforce Communities Management (forCommunities with Chatter) or Salesforce Communities Management (forCommunities without Chatter).
3. Click Get It Now on the application information page. If prompted, log in to the AppExchange.
4. Click Install in Production.
5. Review the terms and conditions, select I have read and agreed to the terms andconditions, then click Confirm and Install.
6. Click Install for Specific Profiles to grant access to the users working with the reports and dashboards.
7. Review the list of API access that the package components have been granted access to, then click Next.
8. Click Install.