Operating System Windows users may like. At least, for those who funded insufficient to buy the antivirus application that can be expensive to use the services provided free antivirus Microsoft. Virus and spam attacks that many users suffer the Windows operating system Microsoft seems to inspire a specific antivirus program for users.

Microsoft Security Essentials beta version provided free to users Microsoft operating systems like Windows 7 Beta and RC (32 or 64 bit) Vista RTM, SP 1 and SP 2 and SP 32 bits. This software is lightweight because it only takes very little memory while running on your PC. How to download the program from your computer the program easily meets the minimum requirements.

Unfortunately, Microsoft is limiting the number of download Microsoft Security Essentials can be done. For that some users may face the following message from Microsoft when it wanted to download antivirus: Thank you for your interest in joining the Microsoft ® Security Essentials Beta. We are not accepting additional participants at this time. Please check back at a later date for possible additional availability.