1. On your Android device, Go to playstore
If you cannot find Norton Mobile Security on Google Play Store or if you do not have Play Store installed on your Android device, you can directly download the Norton Mobile Security app using the side-load feature. Tap Install, and then tap Accept to install the app.
2. When the installation finishes, tap Open.
3. Read and accept the Norton License Agreement and Terms of Use, and Norton Mobile Privacy Policy. Tap Continue.
Norton Mobile Security performs the initial setup and runs LiveUpdate, Anti-Malware scan, and App Advisor scan. When the setup is complete, you need to sign in to your Norton account to make use of all the features of Norton Mobile Security.
4. In the top-left corner, tap the menu icon , and then tap Sign in.
5. Type your Norton account email address and password, and then tap Sign In.