If you're concerned about downloading an APK file, you can also purchase Nova Launcher Prime directly from the Google Play Store. This way, you'll ensure that you're getting a legitimate copy of the app, and you'll also receive updates automatically.
Disclaimer: This article is for educational purposes. Always respect software licensing and avoid pirated content. TeslaCoil Software owns Nova Launcher trademarks. Android 4.4.2 is a trademark of Google LLC. nova launcher prime apk for android 4.4.2