how does one install default mail client in windows 7.
Open windows update
Click optional updates
Windows Live Essentials 2011 (KB2434419)
Download size: 5.3 MB
You may need to restart your computer for this update to take effect.
Update type: Optional
Do more with Windows on your PC with free programs from Microsoft for photos, movies, instant messaging, email, social networking, and more. Get it all in one simple download.
Windows Live Essentials includes Messenger, Photo Gallery, Mail, Movie Maker, Writer, Family Safety, and Windows Live Mesh, plus Bing Bar, Messenger Companion, Microsoft Outlook Hotmail Connector, Microsoft Outlook Social Connector Provider for Windows Live Messenger, and Microsoft Silverlight.
Installing this update will replace your Windows Live Toolbar with Bing Bar.
More information: http://explore.live.com/windows-live-essentialshttp://explore.live.com/microsoft-service-agreementhttp://privacy.microsoft.com/http://explore.live.com/windows-live-2011-system-requirements
Help and Support: http://explore.live.com/windows-live-essentials-help-center