Hello,
Thanks for contacting us.
Go to Appearance > Widgets > http://prntscr.com/ocxs7e http://prntscr.com/ocxs95
http://prntscr.com/ocxsdp
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Here are videos – https://www.youtube.com/playlist?list=PLMqMSqDgPNmCCyem_z9l2ZJ1owQUaFCE3 and docs https://xstore.helpscoutdocs.com/article/48-widgets-custom-widget-areas
Feel free to ask if you have any other questions.
Regards