installation of Thing Worx composer

Hi, 

 Someone please helps me. 

1. How to install Thing Worx composer into my local machine does it require any subscription, or it is free because I was Installing from documentation, but it wasn't installed (as mentioned system requirement didn't match with my laptop) I installed Tomcat but wasn't able to install Thing Worx

2. Does it require any subscription charge as well?

My Device specifications is. 

Hp pavilion 

processor: AMD Ryzen 5

Installed RAM: 8 GB

Windows: 10

3.will this software run in my system or not please help me?

Thanks in advance,