Using APKPure 3.18.55 on Android 4.2.2 will let you:
Locate and check the box to allow the installation of apps from sources other than the Play Store. A warning will appear; tap OK to confirm. Step 2: Download the APKPure Installer apkpure for android 422 install
Because the newest APKPure (version 3.17.18 at the time of writing) requires Android 5.0+, you must install or 3.0.1 — both known to work on 4.2.2. Using APKPure 3
Note: If the "Install" button is grayed out or unresponsive, try disabling any screen-dimming or "Blue Light Filter" apps, as these can interfere with the installation overlay. apkpure for android 422 install
Be cautious of apps requesting unusual permissions.
: Distributing or promoting methods to bypass Google's official app distribution may violate terms of service.