Since official 4.2.2 support ended years ago, users often rely on community-maintained archives:
To successfully flash the official Gapps for Android 4.2.2, ensure the following: Official Gapps For Android 4.2.2 Jellybean Flashable.zip
This is a "flashable" ZIP file, meaning it must be installed via a custom recovery (like TWRP) or a tool like Key Technical Components Since official 4