Shows the current state of the Windows timer stack (timer resolution, bcdedit timer tweaks, HPET, Windows 11 global resolution requests), measures real Sleep(1) precision, and applies the tweaks you select in a grid - each one opt-in, with a JSON undo file and a full BCD backup written before any change. Zero external dependencies.

Lists PCI devices with their current interrupt affinity policy in Out-GridView, then pins the interrupts of the devices you select to the CPU cores you pick in a second grid (P/E-cores labeled on hybrid CPUs). Writes the documented DevicePolicy / AssignmentSetOverride registry values. Zero external dependencies. Windows PowerShell 5.1+.

Lists PCI devices, shows their MSI status in Out-GridView, and enables MSI for the devices you select. Zero external dependencies. Windows PowerShell 5.1+.