1.> First Download Internet Explorer 7 installer from the Microsoft website and use Winrar to unpack the files contained in the installer to a dir on your hard drive.
2.> Next download the iecustom.dll file and replace the orginal file in the upload folder with the one you have downloaded.
3.> Next run update.exe from within the update folder and choose to restart at a later time.
4.> Download another dll normaliz.dll and copy it into your system32 directory, restart your computer afterwards.
5.> Run xmllitesetup.exe which is located in the update folder as well. Restart your computer once more, once this is done the new IE 7 is ready to use.
You might run into troubles that normaliz.exe can’t be found on your system after the first reboot. If that is the case do the following.
Press ctrl-alt-del to go to the task manager.
Go to “File -> Run” in the task manager.
Type: ‘cmd’ and push enter. The command prompt window will appear.
Type: ‘copy c:\normaliz.dll c:\windows\system32\normaliz.dll’