Elasticsearch is the heart of the Elastic Stack as the storage of data is done in Elasticsearch. There are different ways to install Elasticsearch depending on the operating system that we use. Here, we will cover different ways to install Elasticsearch, such as by using the .zip or .tar.gz archives, using the deb package, using the rpm package, using the msi package for Windows, or using Docker containers. So, let's start our Elasticsearch installation using the .zip or .tar.gz archives first.