Google Photos is the best app for cloud service where you can backup photos that help you to access your photo library from anywhere and from any device. The following steps will tell you how to add a picture to Google account whether you are using a computer, android, iPhone, and iPad.
How to Add a Picture to Google Account from Android, iPhone, and iPad
Open the Google Photos app on your IOS or Android device.
Sign in from your Google account.
At the bottom, tap on the Library > Create album > tap (+) to add photos from your gallery > tap on Add on the top right side.
1.Tap on Library
2.Tap on Create album
3.Tap on select photos
How to Add a Picture to Google Account from Computer
Open https://photos.google.com/ on your computer.
Click on albums from the side menu then click on create album on the top right .
Click on Add photos to add photos from your computer folder.