Cannot Install Dt :( Some One Help Plz

[imi5]

when i download daemon tool i only get some kind of php file. i cant open the php file. in install help it says that it is a exe file do some one know why i get a php file. or do i have to do something with the php file? plz help me i only get a php file when i download!

i would be glad if some one could help me.