The zip should work on Mac or PC.  Unzip it and double click on DataLibraryTest.jar.

The setup file might work better on a PC.  That will make an icon on your start menu under TI Pro, and on your desktop.  

They both have the same program.  You will need to already have Java installed.  The setup program doesn't check for that.  You should be fine if you're running the normal E*TRADE client.

Log in by typing your normal TI Pro username and password and hitting the "Traditional Login" button.  If you don't have a username, ask us.  If you log in as "DEMO" with no password, you will get access to most feature.