Put the Microsoft Office XP CD-ROM into the Drive (Not the SP1)
Create 2 Temporary Directory C:\Office and C:\Update
Start/Run... type: X:\SETUP.EXE /a and click OK(where x indicates ur hard disk drive)
Browse the Install Location and type the Product Key. Click Next, accept the License Agreement and click Install
The directory C:\Office must have the following files in it: Files(directory) INSTMSI(exe) INSTMSIW(exe) SETUP(Exe) readme(html) autorun(ini) owc10 proplus