As long as you may have any version of Photoshop like CS6. You need to open your Photoshop in your pc. After that open an image that you want to remove background. You may open it via open tab from file menu.
When you open this you will see many tools in left side in your Photoshop select pen tool. Don’t worry if you don’t identify it .I will help you. Pen tools look like fountain pen or older pen. In pen tools you will find many tools but you will select on top tool name pen tool.
After background icon Off