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Installing MongoDB
For the purposes of this book, we focus on the MongoDB Community Edition for the simple reason that it's free of charge. This version is also an excellent way to get your feet wet, so to speak, allowing you to learn about and experiment with MongoDB risk free. Before beginning installation, be sure to check the minimum requirements for your operating system in the MongoDB installation manual: https://docs.mongodb.com/manual/installation/.
On a live server, in a commercial enterprise, it is recommended you use the MongoDB Enterprise Advanced version. You might also consider two cloud-based offerings, MongoDB Atlas or MongoDB Stitch. The former provides a cloud-hosted MongoDB database service. The latter builds upon the former, opening the MongoDB API so that your apps can make calls and receive responses.