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Every tweak, documented

No black box. Here's exactly what representative tweaks change — the registry value, service or command. The app logs every action it takes, and behaviour-changing tweaks are off by default.

Performance

Ultimate Performance power plan

Stops the CPU down-clocking at idle.

powercfg -duplicatescheme e9a42b02-d5df-448d-aa00-03f14749eb61 → setactive
Zero menu show delay

Menus open instantly.

HKCU\Control Panel\Desktop\MenuShowDelay = 0
Disable SysMain (Superfetch)

Cuts constant prefetch disk reads (recommended on SSDs).

sc stop SysMain & sc config SysMain start= disabled
Disable Search indexing

Frees disk + CPU used by the indexer.

sc stop WSearch & sc config WSearch start= disabled

Privacy

Disable telemetry

Minimises diagnostic data sent to Microsoft.

HKLM\SOFTWARE\Policies\Microsoft\Windows\DataCollection\AllowTelemetry = 0
Disable advertising ID

Stops cross-app ad personalisation.

HKCU\...\AdvertisingInfo\Enabled = 0
Disable Cortana

Stops Cortana running in the background.

HKLM\SOFTWARE\Policies\Microsoft\Windows\Windows Search\AllowCortana = 0

Gaming

Enable Game Mode

Prioritises the running game.

HKCU\Software\Microsoft\GameBar\AutoGameModeEnabled = 1
GPU scheduling (HAGS)

Hardware-accelerated GPU scheduling for lower latency.

HKLM\SYSTEM\...\GraphicsDrivers\HwSchMode = 2
Disable Game DVR

Stops the background capture that costs FPS.

HKCU\System\GameConfigStore\GameDVR_Enabled = 0
Disable mouse acceleration

1:1 raw mouse movement for consistent aim.

HKCU\Control Panel\Mouse\MouseSpeed = 0 (+ Threshold1/2 = 0)

Network

Disable network throttling

Removes the multimedia network throttle.

HKLM\SOFTWARE\Microsoft\Windows NT\...\Multimedia\SystemProfile\NetworkThrottlingIndex = 0xffffffff
TCP auto-tuning

Allows the receive window to scale to full bandwidth.

netsh int tcp set global autotuninglevel=normal

System & Security

Disable hibernation

Removes hiberfil.sys and frees several GB.

powercfg /hibernate off
Disable SMBv1

Turns off the obsolete, exploited file-sharing protocol.

Disable-WindowsOptionalFeature -Online -FeatureName SMB1Protocol
Show file extensions

Reveals .exe/.scr so disguised files are obvious.

HKCU\...\Explorer\Advanced\HideFileExt = 0

This is a representative sample. The app exposes all 80 tweaks with a one-line description each, and writes every change it makes to the on-screen activity log — so you always have the full, exact record.