In order to access SFN-TV NOW on your Roku devices you will need to have a Roku account. For instructions on setting up an account, visit: https://support.amplex.net/knowledge-base/creating-a-roku-account
Once you have a Roku account, go to http://my.roku.com and log in with your Roku credentials. Locate the Add channel with a code.
Once you click, you will be presented with this screen:
You may read, and safely ignore this warning as SFN-TV Now is a safe application.
From here you will want to click ‘ Yes, add channel’
Congratulations! You have successfully added SFN-TV NOW to your Roku devices!