To install a plugin on Basic / Personal Plan:

  1. Upload the plugin file(s) as usual.

  2. In the site editor, go to the Footer section and click on the Edit Site Footer:

Site Footer
 

3. Add an Embed block to the site footer.
4. In the block settings Content tab select the Code Snippet tab and click on Embed data:

Code Snippet
 

5. Paste the plugin code into the field and click Save.

Embed data
 
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