Choose the photos you want to use
Open a collage app, editor, or design tool
Select a collage layout or template
Import the photos into the layout
Arrange the photos in the desired order
Resize, crop, and rotate each photo as needed
Adjust spacing, borders, and margins
Add background color or texture if desired
Apply filters, text, or stickers if needed
Preview the collage and make final edits
Save or export the finished collage
Share or print the collage