Step 1: First you need to click on the download app cloner link. Step 2: then you will be redirected to the app cloner premium download page and click on the start download button in order to download the app cloner premium in to your device. Step 3: After downloading the app cloner premium app then you need to go to the file manager and open your downloaded app cloner premium apk file. If you are installing an apk for the first time then you will asked some permissions. Step 4: you should allow all the necessary permissions by clicking on the settings option. If you didn't get any warning just skip this step. Step 5: after you have allowed the permissions , you need to press the back button and again try to install the apk file then the app cloner premium apk file will be installed without any error. You must make sure that you have uninstalled any previously installed version of app cloner before installing the app cloner premium version, if not an installation failed error will occur.