As already We had announced Last week, version RC 1 of Internet Explorer 8 is now available.

According to the IE blog, the main changes are:

• 
  Full resources: the final version will have no changes in relation to RC, except bug correction.
• Improvements in reliability, performance and compatibility.
• Security: websites can now protect themselves from clickjacking. And a little change in InPrivate was made.
• Usability: based on user feedback, it is now easier to put items in the bookmark bar.

Download available for:

• Windows XP SP2 and SP3 (Brazil)
• Windows Vista and Windows Server 2008, 32 bit (in Brazilian Portuguese)
• Windows Vista and Windows Server 2008, 64 bit

Source: WinHelp