Software deployment in server 2008

suppose you want to deploy mozile firefox in your network

in server:
1)put firefox.exe file into a shared folder
2)make a .zap file like this

3)save firefox.zap file into a shared folder

Now
4)start-->administrative Tools-->Group Policy Management
5)select a group onto which you want to deploy a software
Right click and press Edit

6)User Configuration-->policies-->software settings-->software installation
7)Right click on software installation-->properties-->advanced-->Make a tick on(Make 32-bit X86 down level(ZAP) application available to win64 machines)-->ok
8)Right click on software installation-->new-->package-->write a network path of your .zap file

clinet pc:
1)Control panel-->Programs and Features
2)Install a program from the network

3)install a firefox program from there.