Once the outdated APK file has been downloaded, users must allow installation from unknown sources on their device. Usually, you can accomplish this by choosing "security" or "privacy" from the settings menu. "After enabling installatgame bet app downloadion from unknown sources, users can locate & open the old version APK file to start the installation process. Once the installation has been confirmed, players will be asked to confirm that they want to install the older version of the APK. There are a few tricks that players can use to get the most out of their Cash Rummy experience when using the older APK. Before using the outdated APK, it's advisable to become familiar with the Cash Rummy rules & strategies.