We'll be using the Developer Console. This is where your developer profile will be created to publish to the Google Play Store.
Once you're logged in to the Developer Console, click on the button that says Upload Application. You will be greeted with a pop-up window that will allow you to upload your build. Click on the Choose File button and locate the
.apkfile of your application. Select the Upload button. When your.apkfile is uploaded, click on the Save button. Lastly, click on the Close button.
Select the APK files tab and press the Activate link on the right side of the screen to activate the
.apkfile.
Now, select the Product details tab. In the Upload assets section, you will require a couple of screenshots from your application and a 512 x 512 px version of your app icon. There are optional graphics and videos you can include as well if you desire. Scroll down the page to the Listing details section. Fill out the information...