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+++ b/README.md
@@ -1,8 +1,12 @@
 # companion-module-playwall
 
 See [HELP.md](./companion/HELP.md) and [LICENSE](./LICENSE)
+# Preparation
+
+- install latest nodejs version from https://nodejs.org/en/download/ (on windows: `Windows Binary (.zip)`)
+- extract zip
 
 # Install
 
-- Inside `PlayWallCompanion` run `npm install` to install all dependencies (on Windows: `npm.cmd install)
+- Inside `PlayWallCompanion` run `npm install` to install all dependencies (on Windows: `npm.cmd install`)
 - Set parent directory (the parent directory contains the `PlayWallCompanion`) as the `Developer module path`