Choose LibApps from the top-left dropdown and then click "My Profile" in the top nav bar:
Under the "Widgets" section at the bottom of this page, click "Empty" next to "Other Widget Code"
Paste this script into the "Other Widget Code" section:
<div id="myORCIDLink"></div>
<script>
showORCIDProfile("XXXX-XXXX-XXXX-XXXX", "myORCIDLink", "myORCIDWorks");
</script>
Be sure to replace the XXXX's with your ORCID ID! Then click the blue check button to save.
This is what the link in your profile box will look like:
