There was no trial version of Vista, many misinterpret the 30 days grace allowed before having to activate it as a trial. That was never the case as you had to buy it before you could install it and get the 30 days to activate it.
The information on Computing.Net is the opinions of its users. Such
opinions may not be accurate and they are to be used at your own risk.
Computing.Net cannot verify the validity of the statements made on this
site. Computing.Net and Purch hereby disclaim all responsibility
and liability for the content of Computing.Net and its accuracy.