1/ Log in as administrator !
2/ Open "Run" item from "Start" menu.
3/ type
\\w2ksrv1\install\ie6\engl\ie6setup.exe
4/ If you are local administrator (== NO DOMAIN USER) probably your domain username & password is required.
Type it. Note that this is not required if your identity is known.
5/ Confirm if asked whether you would like to install it and confirm your agreement with license conditions...
6/ Click "Finish" to restart your computer.
After restart log in as administrator again to complete installation.
How to install German version ?
The same way but use the path
\\w2ksrv1\install\ie6\deutsch\ie6setup.exe
in step 3/ instead of the above mentioned one.