An APK file allows you to install an app without using any third-party app like the Google Play Store. Here we will explain what it is, and how to download and install it. APK files are files you can ...

On the phone I tried this on (a Samsung using Android 2.1 ) the first item on the menu says 'Unknown Sources: Allow Install of non-Market application' check the box next to it.

Android has its own Play Store, but with a bit of tinkering, you can also install apps from outside the official app store. Third-party app stores like Aptoide provide alternative options for app ...

Learn how-to install applications on your Android device.

If you own multiple Android devices, you shouldn't have to buy multiple copies of your apps. Fortunately, the Android Market makes it easy to install all of your paid apps on all of your devices ...

How to install an APK file on Android Exercise plenty of caution Android makes it relatively easy to download apps from the web, although you do have to change some settings to permit it.