Go to Google Tag Manager: Visit tagmanager.google.com and sign in with your Google account.
• Click Create Account.
• Enter your Account Name (typically your business or website name).
• Select your Country.
• Under Container Setup, enter your Container Name
• Choose Target Platform as Web.
• Click Create and accept the Terms of Service.

After the code has been installed on the site, please test that the website is triggering the container. (if not please review previous steps). If all is ok it should appear something like this:
