In this lecture, I introduce you to Assets. We discuss the use cases for implementing Assets in your org. We then work through the functionality of Assets and how they relate to Closed/Won Opportunities as you relate Assets to Products, Accounts and Contacts.
What Are Assets? - https://help.salesforce.com/articleView?id=assets_def.htm&type=0
Salesforce Assets Cheat Sheet - http://resources.docs.salesforce.com/202/9/en-us/sfdc/pdf/salesforce_assets_cheatsheet.pdf