Installing Window 98 How to Install Windows 98? Step-by-Step This is a step-by-step on how to perform a Fresh Install of Windows 98. What you are going to need for this: 1) Windows 98 CD 2) Windows 98 Product ID/Key 3) About 1-2 Hours(depends on speed of your PC) Step 01 You need to make sure that you have the BIOS/Startup , so that the CDROM drives boots before the Hard Drive. To do this, you need to enter the BIOS/Startup by pressing: ESC , F1 , F2 , or DEL . Usually during POST (boot up) there should be something on the bottom stating on how to enter the BIOS/Startup . Press the button that it says to press or try one of the above until you enter BIOS/Startup Menu. Now using the arrow keys, there should be a tab that says, Startup/Boot Order. Under that should be a list with a list of options, make the 1st Boot - Floppy/3.5 Floppy , 2nd Boot - CDROM , 3rd Boot - ...