install HTML Widget
You don't need a web developer to add these to your site it's usually as simple as copying and pasting some code from a third-party widget into AbanteCart's HTML block
Step-by-step guide
Grab the code from the widget-maker's website
Choose the widget you want to use, and go directly to that website (for example https://www.accuweather.com )
Follow the instructions on the widget's website to sign up and customize your widget code.
Once the widget-maker will provide you with some code, and tell you whether to put this into the body or head of your website, copy the code
Paste widget code to HTML block
create new HTML Block (Design → Blocks)
paste code into HTML/Text source window (do not change source editor because Visual editor can modify or remove some code)
save block
add block to the Layouts (Design → Layouts)
To add widget on all pages please add block to all available Layouts