Do you mean the games say "compatible with windows 98?" and you have Windows XP?
Games are backwards compatible. Meaning, if the games say "windows 98", windows 95 is ok (anything before windows...
Games purchased legally will not give you a virus. Unless you download a "patch" or update or content from a suspicious source. Games downloaded illegally may or may not give you a virus. Luck of the...
Interesting question...Unless you beat your computer with a stick after playing a PC game which was too slow and your computer kept on freezing up a couple of times. Computer games are not bad, nor...