Hello,
Simply use our Exclusive Package Generator to generate a Custom Package here: http://docs.semicolonweb.com/docs/getting-started/installation/ according to the HTML Files you need for your website and our Package Generator will sort the Files for you to download. Suppose, you need the rs-demo-premium-parallax.html Template, simply choose this File in the Package Generator and then press the Generate button. A Custom Package will be generated for you only based on your selected file. Then you can use the other file to generate another package and use it accordingly.
Hope this Helps!
Let us know if we can help you with anything else or if you find any further issues.
PS. You can only use One License of Canvas per Website else this will be against License Violation and Abuse, and will result in wrongful illegal usage under the Licensing Terms. You will need to Purchase another Regular License for each new website. We request you to comply.