1. Step
Click on the "File" option, followed by the "Open as Layers" button.
2. Step
Click on the "Fuzzy Select" editing tool and click anywhere on the background of your image. This tool is designed to select details with similar colors, and hence the entirety of your unwanted background, in one click.
3. Step
Go to the "Layer" option, click on the "Transparency" option, and choose the "Add Alpha Channel" option.
4. Step
Once the Alpha Channel is added, you can now delete the white background from your image.