If your current GTrek II disk version is 1.0.4.7 or earlier then to install the application on a Windows 7 platform a new installation disk is required.
![Windows 7 Logo](images/EN-w7-comp_rgb_S.png)
If your current GTrek II disk version is 5.3 or earlier then to install the application on a Windows 8 platform a new installation disk is required.
![Win8 Logo](images/Win8logo4.jpg)
If your current GTrek II disk version is 5.5.2 or earlier then to install the application on a Windows 10/11 platform a new installation disk is required.
![Win8 Logo](images/Win10logo.jpg)
There is a small charge of £4.99 to cover media and P&P costs. |