You will want to install the software by downloading it below and running the file. Then you will want to run the update that is also provided. Once those are installed, you will be ready to use the instruction guide and adjust the settings on your GfG 450 or 460 gas monitor.
The first download you will need is here:
The second download you will need is here:
Feel free to contact us with any questions at 1-866-455-7832