Help me setup GTM for a page

I am looking for someone to help me set up Google Tag Manager (GTM) for my custom-built website. I do not have GTM installed and need assistance with the installation process. The specific tag that I am looking to implement is Google Analytics.

Skills and Experience:

- Experience with setting up Google Tag Manager for custom-built websites
- Proficiency in installing Google Analytics tags
- Knowledge of best practices for implementing GTM and Google Analytics
- Familiarity with troubleshooting and resolving issues related to GTM installation