Photos Resources - Quick Start Guide - Google Drive: Sign-in
: Choose "Only watch My Documents, My Pictures, and Desktop" to prevent a long initial scan of your entire hard drive.
: Upon first launch, Picasa asks to scan your computer for photos.
: Use Tools > Folder Manager to precisely control which folders Picasa "watches". 2. Organization Tools
Picasa is a discontinued image organizer and editor originally created by Lifescape in 2002 and acquired by Google in 2004. While Google officially retired Picasa in 2016 to focus on Google Photos , the desktop application still functions for local photo management on many computers.
: If you don't already have it, you must find the final setup file ( picasa39-setup.exe ) from reputable third-party archives like FileHippo .