Step1
Walkthrough:Using manage function in Vista to partition hard drive and operating system(s) installation
http://www.syschat.com/dual-boot-vista-xp-vista-already-1946.html
OR:
For partitioning space larger than Vista will allow (download free partitioning software, follow steps)
download Simply MEPIS 3.3 here:
http://iso.linuxquestions.org/mepis/
Step2
Burn it to CD as an ISO image (ISO is a disk image. for free ISO image burning software):
http://isorecorder.alexfeinman.com/Vista.htm
to burn ISO right click downloaded ISO file and option to burn ISO image will be available with the above software. Nero users will find ISO image burning as program feature, and can add the downloaded file for burning.
Step3
Boot from the CD drive, put Linux CD in drive and boot. It will run Simply MEPIS from the CD, but it will not install
Step4
Sign in as: root, password: root
Step5
Click on "Run QTParted"- that will open a box showing your partitions. The main Windows partition is usually /dev/hda1
Step6
Right click on your Windows partition, and choose RESIZE..
Step7
In the box labeled FREE SIZE AFTER, type the size (in MB) that you want the new partition to be, or resize with mouse for visual representation. That will create free space.
Step8
Right click on the free space, click on create
Step9
Select partition type (NTFS or FAT32), click OK. (you want NTFS for Vista or XP)
Step10
Click on file(top left), then commit- changes will take effect
Step11
Click close, then click on the K in the lower left of screen and logout, restart computer
Step12
remove CD and it will boot to windows, check your partitions.
Install Vista or other OS and install into 2nd partition.
To install XP on a dual boot Vista system, see page 2 of the following walkthrough:
http://www.syschat.com/dual-boot-vista-xp-vista-already-1946.html