Can you please help me with this question?

where can i get free trials for an antivirus software?

Can you please help me with this question?norton

http://free.grisoft.com/doc/2/

http://www.betterantivirus.com/nod32-ant...

http://www.kaspersky.com/trials

Can you please help me with this question?spyware remover

AVG Anti-Virus Free Edition at www.google.com
Download.com

They have that and alot more.

Be warned though.. free trials or free versions of antivirus program won't stand up to the virus heavy hitters out there.
All of these are free,not trial for home use and will work with Vista.

AVG Free is the most popular free solution available at no cost to home users and provides the high level of detection capability that millions of users around the world trust to protect their computers.

Easy to use, low system resources

Automatic update functionality

Real-time protection as files are opened and programs are run.

http://free.grisoft.com/doc/2/us/frt/0

Avast-

avast! 4 Home Edition works for 60 days after the installation in demo mode. You will obtain your FREE license key by E-mail after the registration. The license key is valid for 1 year. After one year you will need to just re-register.

http://avast.com/eng/home-registration.p...