Microsoft will limit the number of downloads for the beta of Windows Security Essentials, its free antivirus software. The free download will be posted on a new Microsoft site dedicated to the program. Microsoft has pitched the software as a basic antivirus, antispyware product that consumes less memory and disk space than commercial security suites like those from Symantec and McAfee. The company has had bad luck in the past when it has limited downloads for previews of its software. Microsoft had to restart the launch of Windows 7 Beta after its servers were overwhelmed.”]
Source: https://www.csoonline.com/article/2124104/microsoft-caps-free-security-downloads.html