The Configuration Items → Certificate store page can be reached by clicking the 
menu item.
This page permits the user to generate, import, export and delete certificates.
...
click Generate self signed certificate
insert a name
insert a password
insert the valid days
click Generate certificate
Import a certificate:
click Import certificate file
select the file
provide the password
click Import certificate
The generated and imported certificates will be displayed in the Certificate Store page, as it follows:
For a certificate to be available for Flowster Studio components binding, it needs to be imported into the Windows store:
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