Step 1: Download Google Apps for Fire HD 8 Tablet (8th Gen) Google Services Framework 7.1.2 APK file [here]Google Account Manager 7.1.2 APK file [here]Google Play services 14.3.66 64-bit nodpi APK file [here]Google Play Store 11.9.14 APK file [here] If you downloaded the APK files to your computer, transfer all the files to your Fire HD 8 tablet. Step 2: Enable Unknown Sources To install the downloaded APK files, first enable ‘Unknown Sources’ option on your device. To do so, go to device Settings > Security > and enable Unknown Sources. Step 3: Install Google Apps Now, it is the time to install the downloaded four APK files. Go to the folder where is downloaded the APK files and tap each one to install. Remember, you should install the Google apps in the following order: – Google Account Manager– Google Services Framework– Google Play Services– Google Play Store After installing the APK files, reboot the device, open the Google Play app on your Fire 8 HD, login with your Google account and start installing apps. If you cannot sign in your Play Store account, then clear Play Store data by going to Manage All Applications section. If the problem still persist, then factory reset your Fire HD and and try again. Do Not restore your back up when you are setting up your device. Note that the above guide is for Fire HD 8 tablet 8th generation only. Other tablets run different versions of Android with varying hardware (Fire HD 10, 7, 6, etc.), require compatible files. We will publish them upon request.