Update install.md

doc/install.md

@@ -15,8 +15,13 @@ The current version of SOCTools only runs on a single server. A fully distribute
   * `sudo yum -y install ansible git`
   * `sudo ansible-galaxy collection install ansible.posix`
 
-## Clone SOCTools
-* `git clone https://gitlab.geant.org/gn4-3-wp8-t3.1-soc/soctools.git`
+## Download SOCTools
+* Download latest release from `https://gitlab.geant.org/gn4-3-wp8-t3.1-soc/soctools/-/releases`
+* Unpack downloaded release
+* `cd soctools`
+
+To test the development version you can clone the repository instead of downloading the latest release:  
+* git clone https://gitlab.geant.org/gn4-3-wp8-t3.1-soc/soctools.git
 * `cd soctools`
 
 ## Install SOCTools