Installing MongoDB on Windows is quite simple.

1. Download the community server from the link here

2. Once the file is downloaded , double click and install it.

3. Installation would start

4. Select Complete

5. Let the data and log directory be default or point it where you want it.

6. Once you click Next, it will install MongoDB , you can find the MongoDB Folder inside your C:/Program Files and then navigate as per the below image.

7. Start the cmd here and type mongo and your shell is ready to run.

MongoDB is installed and up for running.