You can download app installation files (APKs) directly from websites or transfer them from a computer. Nokia X : How to Download Popular Android Apps
: One of the officially suggested alternatives when the devices were first released. 2. Sideload APK Files Directly
Since the original Nokia Store is no longer fully supported, you have three main ways to get apps on these devices: 1. Use Alternative App Stores
Because these phones run the Nokia X software platform (based on Android 4.1), you can install third-party app stores to easily find and update apps like WhatsApp, Facebook, or Instagram.
: A popular decentralized store where you can find almost any Android app.