S
i have win xp installed in d: and i want to install win 98 in C: without formatting the entire hard disk and installing both the os again..........please help 
How to install win 98 after installing win xp
Following link contains the full tutorial:
How do I install Windows® 98/Me after I've installed XP?
How do I install Windows® 98/Me after I've installed XP?
V
You can install 98/Xp after windows XP
you must install DOS7.1 from Bootable CD then after booting with it U can install 98/ME from DOS prompt all of them will work fine.This is the one of the way
you must install DOS7.1 from Bootable CD then after booting with it U can install 98/ME from DOS prompt all of them will work fine.This is the one of the way