The feature is you can add any widget rule directly from Appearance -> Widgets page for
every widget, Click on any widget from any sidebar.
Ex: Here Calendar clicked from Sidebar.
In opened Calendar widget have 1.Select Action, 2.Select Criteria, and 3.Enter Criteria value in highlighted Box.
In Select Action Drop Down you can find Show and Hide Action For Showing and Hiding
widget for selected Criteria value.
In Select Criteria Drop Down you can find many no of cafeterias here listed None is for No Rule is applied for particular widget. In Category group you can select woo commerce categories and Word Press categories, Date and Time group, In Geo-location group you can do many more like City, Continent, Country, Currency, IP address, Postal Code and State or Region.
You Can Perform your action by Language, Mobile Device, Operating System, and particular selected Pages, Posts and Form Data, URL's, Referral URL's, Parameter many more.
And also perform action with Cookies, Status Codes, User Profiles like Email, User Id,
User Roles, Unregistered User and with Your Created Logical Rules also.
For example purpose here Country Criteria selected.
You can enter any country name here, In example entered like united below listed by considering united name Countries.
In example entered United State, United Kingdom, India, Canada, Germany, Russia.
And at last you should save your selected options by clicking Save button.