If you open the FileCap MacOS app you will see the following home screen:
To send files enter the email address of the person you want to send files to in the home screen, after that click “Send Files”.
You get a new screen where you can browse and select the files you want to send, after that the home screen looks like this:
Optionally you can add text to the email by clicking the “Add text” button.
Or click “Send Now” to send the files to the specified email address.
Note: It is also possible to drag and drop files on the FileCap icon in the dock, after that you will directly see the screen above, where you can add text or send files.
To send an invite enter an email address of the person you want to send an invite to in the home screen. Then press “Send Invite”.