how to install db2 9.1 in windows 2003

hi expertes and friends

i am very new to db2 . i would like to know how to install db2 on windows2003.

1. what i have to download from the service.sap .com for db2 udb

2. how to install it (if possible can you give step-by-step processor db2 installaion )

3 . when i start sap installing what path i need to give for the database.

thanks in advance

raja