Let's take a step-by-step look at how to change a portrait photo to a landscape photo using photo editing software such as Luminar NEO:Step 1: Start and Import. ... Step 2: Crop the Image. ... Step 3: Fill in the Blanks. ... Step 4: Extend in Width to the Desired Size. ... Step 5: Adjust Image Settings. ... Step 6: Apply Filters and Effects.