Update README.md

README.md

@@ -20,6 +20,24 @@ Check Info:
 * *wato*: no change to the original check
 * *perfdata*: no change to the original check
 
+---
+### Download
+* [snmp_uptime.mkp](https://thl-cmk.hopto.org/gitlab/checkmk/vendor-independent/snmp_uptime/-/raw/master/snmp_uptime.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 snmp_uptime.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")
+
+---
+
 Sample output
 
 ![sample output](/doc/sample.png?raw=true "sample [SHORT TITLE]")