Great new capabilities have been added to SQL Server 2016 Master Data Services. You can have many-to-many relationships in derived hierarchies, share entity data across models, merge conflicting data changes, require approval for changes, and much more.
To learn about all the new features, see What's New in Master Data Services.
To help you get started with installing MDS, setting up the database and Web site, and deploying the sample models, see Master Data Services. There are step-by-step instructions with lots of screenshots to walk you through installation and configuration.
If you're new to Master Data Services and are looking for training and other learning resources, check out Learn SQL Server Master Data Services.