can't find & download photos app for os x 10.9.5
Hi; I have a 13" mid 2010 macbook pro laptop. I upgraded its software up to date by the time but yesterday I had it downgraded to OS X 10.9.5 since it was not working properly with newest software. I have lost photos app and don't know how to find and download it. Can anyone here know the answer and help please. Thank you for advence
MacBook Pro, OS X Mavericks (10.9.5)