Update README.md

README.md

-# inventory of Neol ePowerSwitch [(Download the MKP package)](/../../../-/raw/master/inv_epsm.mkp "Download MKP package")
+# inventory of Neol ePowerSwitch
 
 
 adds the following to the inventory:
@@ -6,6 +6,18 @@ adds the following to the inventory:
 * Switch version, 
 * Device information
 
+---
+### Download
+* [inv_epsm.mkp](https://thl-cmk.hopto.org/gitlab/checkmk/neol/inv_epsm/-/raw/master/inv_epsm.mkp "Download the MKP file")
+                        
+---
+### Installation
+
+You can install the package by uploading it to your CheckMK site and as site user run `mkp install inv_epsm.mkp`.
+
+
+In the Enterprise/Free edition of CheckMK you can use the GUI to install the package (_Setup_ -> _Extension Packages_ -> _Upload package_)
+
 ---
 #### Want to contribute?
 Nice ;-) Have a look at the [contribution guidelines](CONTRIBUTING.md "Contributing")