How to reinstall windows vista home premium software?

I have reinstalled the window vista on my PC numbers oftime. So first of lets we know the minimum hardware requirement for the window vista.

1 GHz or faster 32 bit 64 bit processor.

1 GB RAM or @ GB RAM.

16 GB available hard disk space for 32 bit processor and20 GB hard disk space for the 64 bit processor.

Direct x 9 graphics device.

And some additional requirement to use some additionalfeatures.

Depending on resolution Video play back requiredadditional memory.

Some games may required graphics card.

So for downloading the window you have to just insert thedisc on the DVD ROM. After that change on the boot selection to the DVD rom.Now your installation process starts automatically. Now you have to follow theinstructions that display on the screen. Hope now you can reinstall your windowvista easily.