There are numerous ways in which you can get a copy of Windows Vista - the obvious one being to buy it from a reputable dealer. However, there are many copies available for download from the web or available at car boot sales. You may part with your cash, but do you know whether the copy you purchased from the internet or car boot sale is genuine or not?
Here's what to do one you have installed your copy of Vista.
Visit http://www.microsoft.com/genuine
Click the Validate Now button
This will then check to see if your copy of Windows Vista is genuine or not