Open Office: A full suite of office applications, inclusing database, speadsheet, and word processor, completely compatible with Microsoft Office, and available for free.........follow the link........
http://download.cnet.com/OpenOffice-org/3000-18483_4-10263109.html
AVG Anti-Virus 2011: A free Anti-Virus programme, considered better than a lot of 'pay for' programmes. Probably the most popular Anti-Virus software currently available.........follow the link........
http://www.filehippo.com/download_avg_anhttp://www.filehippo.com/download_avg_antivirus/tivi
Zone Alarm Firewall: A free firewall established for many years, and considered more reliable than the Windows built-in firewall
http://www.zonealarm.com/security/en-us/zonealarm-pc-security-free-firewall.htm#