Error -"QT version is not properly installed, please run make install" on Windows XP

[makbarin]

well , I am working on a project with some other classmates, they all have diffrent version of Qt on their system. I did the following:

1- I downloaded the latest version of the Qt from the website. ( Qt SDK for Windows* (322 MB) )

1-1 followed the instruction.

2-Then under File/ OpenFile, Project Opened my project

2-1 and I got the Project Setup message ( look at the attachment) , I clicked Finish

3- Then I Tried to build and I get this error : ( Look at the attachment )

Could not find make command: make in the build environment
Error while building project SampleGUI (target: Desktop)
When executing build step 'Make'

4- then I added the path from here : c:\qt\2010.05\qt\bin

( look at the attachment)

but I can not build the project.