You should have no problem at all actually. I do recommend that you stick with Windows XP because it is much more stable than Windows 98. Most of your Windows 98 applications should run fine under XP.
windows 98 running on pentium 4
CoolComputing Forum » Microsoft/Windows Software QuestionsI am changing my pentium III for a new pentium 4 2.6Ghz machine but have a lot of software application that run under windows 98. can I install windows 98 on the pentium 4 and how it is the performance compare to my old computer, given I do not want buy new application software for windows XP which is the OS installed on the new P4 computers