Ad-Aware Pro

Processor

Intel Pentium 600 MHz or better

Minimum RAM

Operating system + minimum 100 MB

Free hard disk space

100 MB recommended

Operating Systems

Windows 7 (32 and 64-bit), Windows Vista (32 and 64-bit), Windows XP (32-bit), Windows 2000 Pro

Lavasoft Personal Firewall 3.0

Operating Systems

Windows 32- and 64-bit (Vista, XP, Server 2003), Windows 2000 (SP3 and above)

Processor

450 MHz CPU (x-86/x-64/multi-core)

Minimum RAM

Operating system + minimum 50 MB (100 MB recommended)

Free hard disk space

100 MB

Email protocols & Services

POP3, SMTP, IMAP

E-mail clients for anti-spam

Windows Mail, Outlook Express, Outlook (all versions)