To edit an image in Photos, select Options > Edit.

Keyboard shortcuts:

Press1 to rotate left (available when no effects are selected).

Press3 to rotate right (available when no effects are selected).

Press 5 to zoom in.

Press 0 to zoom out.

Press * to switch between full screen and normal screen.

Press2, 4, 6, and 8 to move the image when zooming it.

Select Options and from the following: