Click on Open.Click on the Memory View button on the toolbar of cheat engine and search for the value you want to change using the hex editor or the search function.Once you find the value you want to change, double-click on it and enter the new value in the pop-up window. Make sure you have the latest version of the software.Launch Sid Meier's Civilization VI: Digital Deluxe and start a new game or load an existing one.Alt-tab to your desktop and run cheat engine as administrator.Click on the computer icon on the top left corner of cheat engine and select Sid Meier's Civilization VI from the process list.
Download and install cheat engine from its official website.