windows live install

Initial windows live e-mail install was operative with two user accounts(larry & val)  under one login. We decided to set up User Sides for each account and Val set up her user side & subsequently downloaded windows live.  It was inoperative as her e-mail traffic was directed to the original user account. I deleted WL e-mail from programs (uninstall was not offered???) and removed desk top icons from both user  sides. Idea being I could re-install it under each user side under respective addresses. When I downloaded the WL program again I was told I had the current version already loaded???  I cant seem to find the program anywhere and I'm at a loss as how to proceed from here. Any help would be greatly appreciated. Thank you in advance.