Are you trying to with this specific version, or Netflix 4.16.1 build 15145 APK Download by Netflix, Inc.
: Consumes far less RAM and storage than modern 9.x installations. Netflix 4.16.1 Build 15145
It's important to understand that while side-loading an APK is not illegal in most regions, it does bypass the official Google Play Store, and the app version is not officially supported by Netflix. Are you trying to with this specific version, or Netflix 4
Navigate to the device settings and toggle on the option to allow installations from unknown/outside sources. Netflix 4.16.1 Build 15145
At its core, this build delivered the standard Netflix experience of the era, allowing users to browse thousands of titles, search for specific movies or TV episodes, and resume playback across different supported devices.