Best Way To Install Leopard

[g00dni9ht]

What's the best way to install Leopard on my laptop?

Here are my specs:

OS Name Microsoft® Windows Vista™ Ultimate

Version 6.0.6001 Service Pack 1 Build 6001

Other OS Description Not Available

OS Manufacturer Microsoft Corporation

System Name ERIC-PC

System Manufacturer Hewlett-Packard

System Model Presario V5000 (ES188AV)

System Type X86-based PC

Processor Mobile AMD Sempron Processor 3300+, 2000 Mhz, 1 Core(s), 1 Logical Processor(s)

BIOS Version/Date Hewlett-Packard F.41, 4/13/2006

SMBIOS Version 2.31

Boot Device \Device\HarddiskVolume1

Locale United States

Hardware Abstraction Layer Version = "6.0.6001.18000"

User Name Eric-PC\Eric

Time Zone Mountain Daylight Time

Installed Physical Memory (RAM) 2.00 GB

Total Physical Memory 2.00 GB

Available Physical Memory 1.16 GB

Total Virtual Memory 4.25 GB

Available Virtual Memory 3.19 GB

Page File Space 2.29 GB

 

It's SSE, SSE1, SSE2, and SSE3 compadible

 

Any help?

 

Are they any side-effects that I should know about? If I don't install Leopard properly and something happens, will I still be able to install Vista or Leopard again?