Download the .zip file of NodeJS that you want to run on your Windows system from https://nodejs.org/en/download/. This should download a file such as node-v20.10.0-win-x64.zip. unzip the .zip file.

You should now be able to run the node --version command and the version of NodeJS that you downloaded and unzipped should be displayed.

C:\> C:\Users\john.doe\Downloads\node-v20.10.0-win-x64\node-v20.10.0-win-x64\node.exe --version
v20.10.0

And the npm list command should return something like this.

C:\> C:\Users\john.doe\Downloads\node-v20.10.0-win-x64\node-v20.10.0-win-x64\npm.cmd list
C:\WINDOWS\system32
`-- (empty)

And the npm --global list command should return something like this.

C:\> C:\Users\john.doe\Downloads\node-v20.10.0-win-x64\node-v20.10.0-win-x64\npm.cmd list
C:\Users\john.doe\Downloads\node-v20.10.0-win-x64\node-v20.10.0-win-x64\
+-- corepack@0.22.0
`-- npm@10.2.3