APK file on the APK emulator, and it will pop up. Step 10. Start APK Viewer and open an APK file you want to install. 10. APK Installers can be opened using the APK Installer from the market/Google Play Store. If you have to uninstall any application, it should be uninstalled using the uninstallation application function on the application, it can be used to remove any application, app, theme, app, or any third party application that appears in the APK, and it can remove an application, app, theme, app, or any third party application from your PC.