1
Install the free Insert Headers and Footers plugin (Plugins → Add New, search for it). Then go to Settings → Insert Headers and Footers and paste the Widget Code below into the Scripts in Footer box.
2
Alternatively, edit any page in Gutenberg, add a Custom HTML block, and paste the Button HTML wherever you'd like it to appear.
1
Go to Settings → Advanced → Code Injection. Paste the Widget Code below into the Footer field and save.
2
To add an inline button, edit any page, click + to add a block, choose Code, and paste the Button HTML. Toggle off Display Source after pasting.
1
Go to Settings → Custom Code (requires Business plan). Click + Add Custom Code, paste the Widget Code, set Place Code in to Body – end, and apply to All Pages.
2
To add an inline button, open the Wix Editor, add an Embed → HTML element, and paste the Button HTML inside it.
1
Go to Online Store → Themes → ⋯ → Edit code. Open Layout → theme.liquid and paste the Widget Code just before the closing </body> tag.
2
To place an inline button on a page, add a Custom Liquid or HTML content block and paste the Button HTML.
1
Paste the Widget Code just before the closing </body> tag in your site's HTML template or layout file.
2
To place a button anywhere on a page, paste the Button HTML directly into your content wherever you'd like it to appear.
Widget Code · floating button, paste before </body>
Button HTML · inline button, paste in page content