diff --git a/README.md b/README.md
index 36f62db..24edbeb 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,22 @@
 # About lifen-postman
 
-This repository holds some PostMan files that performs tests against Lifen's Fhir API. They represent my handout regardinf the technical test.
+This repository holds some PostMan files that performs tests against Lifen's Fhir API. They represent my handout regardinf the technical test. There is also a Node programm that run `NewMan`.
 
-## Installation and execution
+## Installation and execution via CLI
+
+NodeJs 16+ is required.
+
+1. Clone this repository on your local computer
+2. Open your favorite IDE, VSC or a terminal
+2. Purge the `node_modules` folder (`rm -rf ./node_module/*`)
+3. Install `NewMan` via npm with the command `npm install`. It will lookup eveything based on the `package.json` file.
+4. Run newman via the npx command `npx newman run .\lifen-api.postman_collection.json -e '.\fhir-api public post-prod.postman_environment.json'`
+
+### An example of NewMan's test report
+
+![An example of NewMan's test report](./public/newman-testresult-example.jpg)
+
+## Installation and execution in the PostMan GUI
 
 PostMan is required to run them.
 
@@ -20,7 +34,7 @@ PostMan is required to run them.
     * There is no need to save the cookies, as there will be no cookies backed here 😔🍪
     ![a runner in PostMan](./public/lifen-api-runner.jpg)
 
-## an Example of Test Report in PostMan
+### an Example of Test Report in PostMan
 
 ![an Example of Test Report](./public/run-result-example.jpg)