how to generate sis file with qt

[fareenafatima]

hello,
i am making a project named bsender.
i am using nokia qt sdk and qt version 4.7.0
i want to make a .sis file of my project.
when in the command line i write the following command
D:\NokiaQtSDK\QtWork\bsender> qmake
it says that it doesnot recognize it as an internal or external command.

please help me asap
thanks in advance

Added after 4 minutes:

i mean the cmd says that qmake is not recognizes as an internal or external command

[stampede]

(...) qmake is not recognizes as an internal or external command
... means that your PATH needs to be updated

[fareenafatima]

done
thanks