Where can you find this feature?
The button allowing you to switch from weekly tracking (standard mode) to daily tracking appears on two different screens:
the keyword analysis pop-up
the "my keywords" screen
How does it work?
To track some of your keywords on a daily basis, you have to indicate it when importing them in your SmartKeyword account. This article (section "daily/weekly tracking") allows you to know exactly what configuration to make to have access to this tracking.
To know more about it: