As we reported earlier (Microsoft Internet Explorer 9 final version To Launch On March 14), Microsoft released IE9 final on 14th March 2011.
Features
Faster
New Tab page
Notification Bar
One Box
Pinned Sites
Tab enhancements
Web-focused browsing
Windows 7 integration
ActiveX Filtering
Add-on Performance Advisor
Compatibility View
Cross-site scripting filter
Domain highlighting
Download Manager
InPrivate Browsing
SmartScreen Filter
Tab isolation and recovery
Tracking Protection
Pinned Sites, Jump Lists, and more (Windows 7)
Smart Screen Filter
Read more and Download
Offline installer links for IE9 below
Download IE9 x86 Windows 7
Download IE9 x64 Windows 7
Download IE9 x86 Windows Vista
Download IE9 x64 Windows Vista