How to install Internet Explorer on Linux

First you need to have wine and cabextract installed. On Fedora Core 6 just execute the following command as root:

yum -y install wine*
yum -y install cabextract

Now log out and login as a normal user. IE should be installed as normal user for better protection. Exceute the following commands:

wget http://www.tatanka.com.br/ies4linux/downloads/ies4linux-latest.tar.gz
tar zxvf ies4linux-latest.tar.gz
cd ies4linux-*
./ies4linux

It will ask you whether you want to install all the versions of Internet Explorer. Make your choice and your work is done. Now it will download a number of files from external sites including Microsoft and within a short time you will have all three (four if you use the beta version) versions of Internet Explorer available on your machine. You can independently and simultaneously run them, which is something you cannot do even on Windows. It will add the icons to your desktop.

Legality of running Internet Explorer on Linux
The software (ies4linux) itself is GPL'ed. However the legality of the software it downloads should be verified. I am not a lawyer. But as I understand Internet Explorer is free, as in free to use, software. Running it on Linux should logically fall under the same freeness unless explicitly prohibited. I couldn't find the license of Internet Explorer on Microsoft.com.