(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 ~