- Open the Google Play Store. Facebook Messenger is available for free from the Google Play Store.
- Search for "Messenger." You will be presented with a list of results that match Messenger.
- Select the "Messenger" from the results. Select the Messenger app developed by "Facebook," which should be towards the top of the list.
- Tap "Install." Review the required permissions and then tap "Accept" if you still want to install. Accept permissions and enter google password if prompted
- Launch the Messenger app. You can find it on one of your Home screens or in your App Drawer. You can also tap the "Open" button on the Messenger store page.
- Login with your Facebook account. If you have the Facebook app installed on your Android device already, you'll be prompted to continue with the same account in Messenger. You can as well log in with a different account by tapping "Switch Accounts."
- Login without a Facebook account (select regions only). You no longer need to have a Facebook account to use Messenger, as long as you are in the United States, Canada, Peru, or Venezuela. You will be limited to chatting with people in your phone's contact list that use Messenger, and won't have access to Facebook friends.
- Tap the "Not on Facebook?" button on the login screen.
- Enter your phone number when prompted.
- Enter the code that is sent to your phone via SMS.
- Enter your name that people will see when chatting with you.
- Add your phone number (optional). You'll be prompted to add your phone number so that friends can find you easier.
- Decide if you want to upload your phone's contacts (optional).

