Click DONE EDITING to save the change to a new copy of the photo.
When the FILTERS menu opens (see below), click B & W in the top row, and you will see the photo turn to Black and White.Your photo appears on the left and the editing menu is on the right (shown below).A menu like shown on the right appears.
Follow these steps to create black and white copies of your color photos. If you have colour photos in your account, but want black and white versions for prints, or to use in a project, you can edit those photos in your online albums.