Installing xp and vista - guide and comparison

If you need to install both vista and xp on the same machine, how to geek has provide a great article how to do it with the pictures and guide, impotant thing here is you need Vista installed first before install windows xp. normally when you buy a laptop it already had vista installed and you have two options either to remove vista and install XP or you may want to have both. Also you will have more then one partition and vista will be in C:/ partition and xp will be on D:/ partition.

Read the GUIDE HERE(installing vista and xp)

partition: when you click on my computer/computer, a new windows will open and you will see label C: and D:, in simple terms we call it c partition and D partition, (its not the real definition but to give you some idea if you dont know about partition.

There are several things i like on vista even XP still my best OS.
-Virus which attack xp system mostly javascript like autorun can't affect Vista, you can open and remove it directly.
-firewall, better but sometime annoying.

Things that i don't like.
-lack support for software, sometimes can't install several software.
-high memory usage and affect games performance.