Visit the official site – Go to https://summertimesagamods.pro/summertime-saga-old-versions/.Select your desired version – Choose from the list of classic versions available.Download the APK file – Click the download link and wait for the file to finish downloading.Enable "Install from Unknown Sources" – Go to your phone settings and enable this option.Install & Enjoy! – Open the APK file, install the game, and start playing!