Do you have a boot disk for Windows 95?
If so, boot the computer with the boot disk and when you get to the command prompt, change the drive letter to whatever your CD-ROM drive is (this can be tricky sometimes, it was R:\ on one of my old computers with only one drive)
Once at the appropriate drive letter, I believe you just type setup.exe, I will double-check that as it has been a while.
Hope this helps.
\"The surest way to corrupt a youth is to instruct him to hold in higher esteem those who think alike than those who think differently.\" Friedrich Nietzsche