MongoDB is a source-available cross-platform document-oriented database program. Classified as a NoSQL database program, MongoDB uses JSON-like documents with optional schemas. MongoDB is developed by MongoDB Inc. and licensed under the Server Side Public License.
Step 1: MongoDB website

Check out the official link of MongoDB:
Step 2: Select the suitable software for your system


Step 3: Set the system environment variable



Step 4: Open MongoDB in your command prompt
Check out the version by these commands:
mongo –version
mongod –version

Open the MongoDB shell by this command:
Mongo

Now, you can use MongoDB.