There is many anti virus software people can download in internet. If they want full protection it must be pay for installation and free download with some risk. People who understand with agreement when doing software installation for they own computer always pay for it as far as they know it can make the system can be working perfect and save from virus and malware. Many choice to installation anti virus software product in internet that people can browsing in Google.
Windows 7 product by Microsoft is software operating system for computer services have own anti virus and anti malware because this software is part of Operating system Windows 7,it is not necessary to instal new anti virus or buy new one to protection our computer. Only search and type the words 'windows defender' or 'Microsoft security Essential' in bar for searching on top right than you can read and following the instruction to instal. I am the one of million user of Windows 7 since 2011 and I never had problem used this software.
Reminder : use genuine Windows 7 to save your computer.
