Login in to Magento Admin
Go to Content -> Pages From Navigation
Click here to see the videoClick on “Add Page” Or Edit existing page
Fill out Basic details of page after that on content section hide editor by click on “Show/Hide Editor” and click on Insert Widget.
OR you can also insert widget from editor by click on below symbol.
Select Widget From Drop down box and fill out required fields and configure widget as of your need.
also you can fetch specific data that you want by using widget conditions.
After that Save Page
You can see your Inserted Widget on front side.