Access your WIX Dashboard.

Select "Settings" from the sidebar on the left.

Scroll down to "Advanced" and choose "Custom Code."

Navigate to the Leadscrush script page and copy the code snippet.

Click on "Add Custom Code," paste the code snippet into the custom code dialogue box, and name the code, preferably "Leadscrush."

Ensure that the code is set to apply to "All Pages" and that "Load code once" is selected.

Confirm that the code is placed in the "Head" section of the page, then select "Apply." The tracker should now be installed.