There is a video on how to download and install the Profit Automation Tool software.
This is the direct link to the video: https://www.screencast.com/t/H9QhhPnIE
Below is the step by step instruction as well.
1. Go to http://www.russhorn.biz/premium/spl/pat/downloads/ (make sure that you are already logged in when you click on the link)
2. Click the Download button
3. After downloading, open the file and double click on the .exe file.
4. You will see the installation wizard, just clic on Next until it finishes the installation.
5. When done installing, open your mt4 platform and you should see the PAT under your Expert Advisor of your Navigator window.