This is my preferred way of installing files but you use any method that you like. I use Windows Explorer.

1) Make a folder called "Temp" or "Crud" or anything you like in the root directory.

2) Unzip the update file to the folder you just made.

3) This update contains files for the Flight Design and/or the Flight Design Amphibian folders that should have already been installed in your flight simulator "Aircraft" folder. Click the appropriate Flight Design and/or Flight Design Amphibian folders and copy them from your Temp folder.

4) Go to the Aircraft folder of your flight simulator and paste the copied folder(s) there. When it prompts you about overwriting files, select overwrite all.

5) Go back to the Temp folder and select and copy the CT2K.CAB file from the Gauges folder.

6) Go to your flight simulators Gauges folder and paste the new CT2K.CAB file. Overwrite the old file.

That is it. Go fly your updated aircraft.

Enjoy