To installed Compaq Visual Fortran on windows 7:
1. open the subdirectory x86 on the fortran 6.5 cd
2. run setup86.exe to install the program
3. After instlation, right click on the developer studio file and select properties
4. Select the compatibility tap
5. Check the run this program in compatibility mode for option
6. Select windows xp (service pack 3)
7. Check the option, run this program as adminstrator
8. Click ok
9. Run the developer studio