What are the initial steps you will do when you join a new company in the capacity of TQM Manager?

Study the various processes being operational, check out SOPs, practices pattern, adoptability and acceptability among various stakeholders and carry out gap analysis

You need to focus across an entire organization on continuous improvement based on customer needs.
Also, it is very important to change the organization environment attitudes, practices, structures, and systems.
TQM is a team work full of communication and collaboration to success