STEP 2: Add you Google Tag Manager Container ID to your Wix website
Log into your Wix account and select "settings" from the dashboard left side bar
Note: Google Tag Manager can only be added to Wix websites that have a premium hosting plan with a connected domain.
STEP 1: Log into your Google Tag Manager Account
Once logged into your Google Tag Manager account, copy your container ID. This number should be located in the dashboard, in the upper right-hand corner of your browser window:
Note: To learn how to properly set up your Google Tag Manager account, click here.
Select "Tracking & Analytics" from the Settings left side bar:
Select "+ New Tool" in the upper right corner, and then select "Google Tag Manager" in the dropdown:
A pop up will appear. Past your Google Tag Manager container ID in the field and then select "Apply":
A Google Tag Manager container code snippet will be added to all pages of your Wix website.