All your shared videos with sales page templates will be created as contexts inside the Shares & Tracking. Therefore, to edit the shared sales page templates you must:
Hover the mouse over the Insights 360 icon from the left navigation bar > select Shares & Tracking.
Select the appropriate Context Name.
Then, click on the Edit Sales Page Template button at the top right.
Once you’re done, click Save Template.
The edited changes will be reflected automatically on the shared sales page template.
Note: To learn more about shares & tracking, click here.