I opened the original photo (3008 x 2000)
I used in the file section the option automate then crop & straigthen photos.
After I cropped the photo
Image size: I selected 1024 for height it gave me 826 for width
Canvas size, I kept the height at 1024 and reduced the width to 768
Then clone tool to remove dust spots
Filter sharpen section selected unsharp mask at 50%, .3 and 0 three times
Save the photo made save as to get another copy then selected image size for 800 height and 600 width.