First, add a custom HTML/JS element in the page. You can add a new element to the page by clicking Add New Element on the page and then in the element types box selecting the Custom JS/HTML Element and clicking Add to Page.
In it, paste the javascript snippet from your campaign that you can find in the Installation step of your Campaign Wizard:
Repeat the same process to add more Custom HTML/JS elements in the page, one for each of the Widgets of your Campaign. Check out the list below for the widgets you need to embed.
If you are using The Milestone Referral
To install the Form Widget, add this code in the Custom HTML/JS element:
<div data-vl-widget="embedForm"></div>
To install the Milestone Widget:
<div data-vl-widget="milestoneWidget"></div>
If you are using Refer a Friend
To install the Form Widget, add this code in the Custom HTML/JS element:
<div data-vl-widget="embedForm"></div>
If you are using the Startup Pre-launch - Tempting Giveaway - Leaderboard Giveaway
Add this code to embed the trigger button of the Popup Widget:
<div data-vl-widget="popupTrigger"></div>
And that's it! Publish your page and check it out, the widget will be there and your visitors can use it to join your campaign.