In order to install the driver on your PC, the first thing that you want to do is to go to the sensor's webpage and download it on your computer. (Just type in the captcha code and you'll be taken to the actual download.)
Once that's done, run the executable file and follow the steps in the installer to complete the process.
Finally, after the setup process is finished, press Win + R on your keyboard, then in the Run box that pops up, type "services.msc" (without quotes) and click on OK. A new window window will open up showing you all the services that are running on your operating system. Scroll down until you see an entry called MFS100 Client Service and make sure that it says Running next to it. If it doesn't, right-click the entry and select Start. Reboot your PC and you should be good to go.