The author installed Linux on their first computer, a Pentium 75, after experiencing frustration with Windows 95. They highlight five reasons to switch from Windows to Linux:
1. Windows 11 Home requires a Microsoft account for setup, raising privacy concerns, while Linux allows local account creation.
2. Support for Windows 10 ended on October 14, prompting users to consider alternatives like Linux, which can revitalize older hardware with Long Term Support distributions.
3. Linux installations often outperform Windows in terms of performance, even on older machines.
4. Linux offers superior flexibility and customization options compared to Windows.
5. The author has experienced very few security issues with Linux, contrasting with the need for antivirus software on Windows systems.