2) Make sure that the correct operating system and browser are selected
Note: Adobe's download page may have pre-selected a check box to install optional software (such as Google Chrome or McAfee Security Scan). If you do not want to install this optional software, you need to untick the checkbox before downloading Flash Player.
3) Click "Install Now" to download the installer file onto your computer
4) Close all browsers before running the installer file. Make sure that you have privileges for installing software on your computer.
5) Run the installer file and follow the instructions for the installation process.
If you encounter any problems during the installation, please check Adobe's help pages (PC / Mac) for possible solutions.
How to enable Flash Player on your Mozilla Firefox Browser
In order to continue playing CuperCity on Mozilla Firefox, you need to enable Adobe Flash Player on the browser.