For Android 8 and above
Here are some of the best APK installers you can enjoy in 2019.
You can't install an apk on any iOS device. An apk is and Android app package, it is not compatible with iOS devices.
Go to Android Settings and click to open the security options. Search for the “Unknown sources” setting. When you turn on the Unknown Sources option setting, the Android device will permit the third-party application to download to install and run the APK without any issues.
How to install apk files on iPhone without jailbreak?
Why APK won't install? Firstly, make sure that the APK version you want to install is supported by your Android version. Also, remove the Play Store version of the app before installing an APK. Don't forget to check the storage space and permission to install apps from unknown sources.
If you need to install such an app for your Android device, you can still do so, but you'll need to enable settings inside Android that enable you to install unsigned third-party apps. These settings are located inside the Android Settings app.
Best APK Installers for Android in 2019
With the Google Play Store, downloading Android apps on your Chromebook is surprisingly easy! However, there are some Android app APKs that aren't available via the Google Play Store. These are Android apps in APK format. The good news is that you can now install APKs on your Chromebook.
BlueStacks 2 is a free Android emulator that runs on macOS and Windows, so no matter what kind of personal computer you have, you can try out Android apps. To run Android apps (. apk files) on your Mac: Download the BlueStacks 2 app.
The answer is no; you can't install an APK (Android Package Kit) on a Roku device because Roku is a closed operating system. You can't download and install apps that aren't in the Roku app store or the non-certified channel list.
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How to install an APK on your Android device