Yes, the sample applications provided work.
I am integrating Tobii into an existent project. The code was developed 2 years ago and it worked at the time. It works in a Windows 10 laptop but I cannot get to work in my laptop with Windows 8. I am using VS 2015. The DLLs (EyeXFramework, Tobii.EyeX.Client, Tobii.EyeX.Client.Net20.dll are in the folder)