Earlier version of Microsoft Windows operating systems had very little security when it comes to preventing its own system against viruses and other security vulnerabilities. That is why newer developments and versions had been developed to solve this security issues.
Windows 95 and 98
Early versions of Windows OS lack the basic security in its whole operation. By the way, these versions are also known as Windows 9x. The primary problem is that the function of an operating system is not separated from the function of the user who uses it.
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