README.md: add 'How to install'

README.md

@@ -19,6 +19,45 @@ Check the website [zenoh.io](http://zenoh.io) and the [roadmap](https://github.c
 
 Zenoh is extremely easy to learn, the best place to master the fundamentals is our [getting started guide](https://zenoh.io/docs/getting-started/first-app/).
 
+-------------------------------
+## How to install it
+
+To install the latest release of the Zenoh router (`zenohd`) and its default plugins (REST API plugin and Storages Manager plugin) you can do as follows:
+
+### Manual installation (all platforms)
+
+All release packages can be downloaded from:  
+ - https://download.eclipse.org/zenoh/zenoh/latest/   
+
+Each subdirectory has the name of the Rust target. See the platforms each target corresponds to on https://doc.rust-lang.org/stable/rustc/platform-support.html
+
+Choose your platform and download the `.zip` file.  
+Unzip it where you want, and run the extracted `zenohd` binary.
+
+### Linux Debian
+
+Add Eclipse Zenoh private repository to the sources list, and install the `zenoh` package:
+
+```bash
+echo "deb [trusted=yes] https://download.eclipse.org/zenoh/debian-repo/ /" | sudo tee -a /etc/apt/sources.list > /dev/null
+sudo apt update
+sudo apt install zenoh
+```
+Then you can start run `zenohd`.
+
+### MacOS
+
+Tap our brew package repository and install the `zenoh` formula:
+
+```bash
+brew tap eclipse-zenoh/homebrew-zenoh
+brew install zenoh
+```
+Then you can start run `zenohd`.
+
+
+### Rust API
+
 -------------------------------
 ## How to build it