See news item here:
http://news.cnet.com/8301-30685_3-20004987-264.html?part=rss&subj=news&t...
However, if you are considering upgrading your web browser, why not give the consistently faster, more secure, more stable, more standards compliant and easier to use Firefox a try?
You can download the latest Firefox from here: http://www.mozilla-europe.org/en/firefox/
For Windows the install process is the usual -- download the .exe file to a folder, open that folder, double-click the file, watch it install... job done.