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Gains of 5-15% are real, especially in CPU-bound titles. Why? Ghost Spectre disables background services like SysMain, Windows Search, and error reporting that often interrupt game threads. It also removes the Virtualization-Based Security (VBS) and Memory Integrity features that Microsoft enables by default (known to reduce gaming performance by up to 10%).
❌ – Modifying Windows violates Microsoft’s EULA for non-enterprise users.