You can find the free transformation and drag directly through editing. Below I will demonstrate the detailed operation steps:

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

1. Open Photoshop and click Edit.

2. A dark gray box pops up, and click Free Transform below;

3. Drag the picture with the left mouse button;

4. Click the tick mark above;

5, ps reduce the picture operation is completed!

The above is a tutorial on ps reducing pictures, I hope it will help you ~