Does my Windows computer have anti-spyware software? If not, where can I obtain an anti-spyware program?
Most antivirus programs, including Microsoft Security Essentials and Sophos Anti-Virus for Mac Home Edition (which ITS recommends for personally-owned computers) include anti-spyware protection. To see whether you have antispyware software installed:
In Windows 7, check the Malicious Software Protection setting in the Windows Security Center to see whether antispyware software is installed:
If antispyware software is not installed, there are several free options available including Spybot Search & Destroy and Ad-Aware.