Installing a version of Nodejs:

https://www.linode.com/docs/guides/install-nodejs-on-ubuntu-22-04/

Installing pyenv:

https://medium.com/@aashari/easy-to-follow-guide-of-how-to-install-pyenv-on-ubuntu-a3730af8d7f0

This software is junk. Use Orange HRM, it's better even with the limitations.