There are numerous tools available to quickly and effectively change backgrounds. Among them, professional software like Photoshop is exceptional. Photoshop is incredibly powerful in altering background images. In this article, Software Tricks will guide you on how to change the background in Photoshop.

1. Preparation
To change the background in Photoshop, we need:
- Original image requiring background replacement
- Background image we need to replace
2. Proceeding with background replacement in Photoshop
Step 1: Firstly, we open the image we want to replace the background in Photoshop and press the Ctrl + L combination to unlock the image layer.
Then, you select the Magic Wand Tool (W).

Step 2: Begin by clicking the outermost point on the subject or object you want to remove the background from, and proceed to move the mouse pointer around the subject or object.

Step 3: As you move the mouse around the subject or object, there will be a dotted line effect around the subject or object. This indicates that you have completed the stage of extracting the subject or object from the image.

Step 4: After the subject or object has been selected, you then press the Ctrl + C and Ctrl + V combination in sequence to create a new Layer for the subject or object that has just been separated.
At this point, we will have Layer 0 as the original image. Layer 1 is the subject or object image that has been extracted from the background.

Step 5: Now select Layer 1 and you need to press the Ctrl + C combination again to Copy Layer 1.

Step 6: After successfully copying the subject or object to change the background, proceed to open the background image you want to merge in Photoshop.
To open additional images during work, press Ctrl + O.

Step 7: When you have finished opening the background image you want to merge, press the Ctrl + V combination to paste the subject or object from Layer 1 just removed the background here.

Step 8: Due to differences in resolution and size between the image to remove the background and the background image, there will be significant size differences. Press Ctrl + T to open Free Transform. You can change the size and move the subject as desired. After moving, press Enter to lock.

Finally, we have the following result:

Thus, Software Tricks has guided you on the most beautiful and effective way to change the background in Photoshop. Wish you success!