Can I get only Secure View feature?

Hi,
I’m a new Owncloud user. Now I use Owncloud Free Version. How can I get only Secure View feature or buy only Secure View feature? Can do it?

Thank you,

Hi, do you have your ownCloud already connected to a Collabora Document Server?

Sorry, it seems that I’m still not connected to the Collabora Ducument Server. Do you have any suggestions for connecting to this? Or what should I do?

Thank you,

Hey,

in the past i had used the instructions provided by Collabora to setup mine: