Choose two photos you want to place side by side
Open a photo editor, collage app, or design tool
Create a new blank canvas
Set the canvas size wide enough for both photos
Import the first photo onto the canvas
Import the second photo onto the canvas
Position one photo on the left and the other on the right
Resize the photos if needed so they fit evenly
Align the edges for a clean layout
Add spacing or a border if desired
Save or export the finished image