[header] How to use picasa [title] Download the latest version of picasa. [step] You can obtain the latest version for free from picasa. Google.com. It will recognize whether your operating system is pc, mac, or linux when you arrive. 
[title] When you first open picasa, you can choose to scan your entire hard drive, or just my pictures, my documents, and desktop. [step] It will then display your pictures in its library view.