New
#41
Calm down.
If you got a prompt offering the choices you mention then the installer was run from within Windows and not booted. It would not offer to check Compatibility online from boot. It was in Windows.
What is the make and model of your PC? Do you know the key to tap at boot to bring up a one-time BIOS Boot menu to choose to boot DVD? What happens when you tap repeatedly that key at boot? Are you getting the prompt to "Press any key to boot disk?" What happens then exactly?