If you're trying to install an application of unknown origin from an APK file, Android will block you. To bypass this, you must enable Android to install applications from unknown sources on your device. For example, if you have a Samsung Galaxy smartphone, the steps are different. To download the APK file of the ExpressVPN app for Android, you'll need to enable APK installations on your device. Downloading APK files from reliable sources is one of the simplest ways to install an incompatible Android application.
After installing a third-party application, it's recommended that you revoke permissions so that additional applications are not installed without your knowledge. The app store should download and install apps without any issues, as long as you have permission enabled for the store. For instance, if you use your browser to download the app and then tap the download notification, you'll need to give your browser permission to install the APK. The website will redirect you to the downloads page, where you can download its APK directly from your browser. You know how annoying it is when you find out that you can't install an app on your device from the Play Store.
APK files can be dangerous, especially if they request permissions to record your personal data, control device settings, or perform tasks (such as calling or texting your contacts). It's much more difficult to install newer AAB application files, and for now, we suggest that you only try to install apps that use this format through a marketplace like Google Play Store.You can also find an alternative APK for an AAB application file by using an APK download site instead. If you want to install apps on your Android device, usually you'll visit one place: Google Play Store. You can use Google Play Store to install apps and games, or you can cancel the pre-order and install the APKs yourself.
If you're installing an app from a trusted developer that isn't in the app store, it might be worth doing so. These are all the methods you can try if you want to install an incompatible application on your Android device.