This is common on KitKat because of outdated security certificates. Sometimes, clearing the Cache and Data in your app settings for both the Play Store and Play Services can fix this. A Note on Security
Do not download APK files from unverified blogs or random forums, as they may contain injected malware. Stick to reputable, mirror-tested repositories: play store download apk android 4.4.4
Google may block logins from older devices for security. You may need to generate an App Password from your Google Account settings on a computer. Better Alternatives for KitKat This is common on KitKat because of outdated
🔍 Search on APKMirror: "Google Play Store 16.8.18" — verify it says "min API 19". Tap on , Google Play Services , and
Tap on , Google Play Services , and Google Services Framework . For each app, select Clear Cache and Clear Data . Restart your device. Alternative Solutions if the Play Store Still Fails