How to turn a photo into black and white?

Select black and white in the image interface. Below I will demonstrate the detailed operation steps:

(computer model: MacBook Air, software version: Photoshop 202 1)

1. Open Photoshop and click on the picture above;

2. A dark gray box pops up, find the adjustment, slide the cursor to the right and click black and white;

3. A dark gray box pops up, and click OK in the upper right corner;

4. Turn the photo into black and white!

The above is a tutorial on how to turn photos into black and white. I hope it helps you ~