You likely cannot run the newest version of Candy Crush Saga
: Go to your device Settings > Security and toggle on "Unknown Sources" to allow installation of apps outside the Play Store.
Since the official store likely won't offer a compatible version for your device, you can use reputable third-party APK repositories to find the (specifically version 1.226.0.1 from April 2022).
: Ensure you have at least twice the file size (approx. 180MB) in free space for a successful installation.
By following these steps, you should be able to download and install Candy Crush Saga on your Android device running version 4.4.2. Happy gaming!