Head on over to https://www.mongodb.com/download-center#community and download the latest version of MongoDB Community Server for Windows. The installer then gives you the option to install MongoDB Compass.
You can also download Compass as a separate installer from the preceding link or by navigating directly to:
https://www.mongodb.com/download-center?jmp=nav#compass.
https://www.mongodb.com/download-center?jmp=nav#compass.
Looking at the web page for MongoDB Compass, at https://docs.mongodb.com/compass/master/, the description of MongoDB Compass is quite clear:
"MongoDB Compass is designed to allow users to easily analyze and understand the contents of their data collections within MongoDB and perform queries, without requiring knowledge of MongoDB query syntax.
MongoDB Compass provides users with a graphical view of their MongoDB schema by randomly sampling a subset of documents from...