Most hackers target Windows 10/11 today. Windows 8.1 remains supported via until 2023. A "Lite" version that retains the security core but removes the attack surface (like the Windows Store) is statistically harder to exploit.
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Security considerations
With DirectX 11.2 and native exFAT support, a "Lite" 8.1 build is ideal for: Most hackers target Windows 10/11 today
If your goal is (e.g., about optimizing Windows, creating lightweight systems, or reviewing real software), let me know. I can help with: about optimizing Windows