Built for one thing: the smoothest, fastest Windows PC you have ever run. For gaming rigs and workstations that are done waiting. 90 deep changes to how Windows behaves.

©2026

Runestones in fog at dawn, an eight-legged horse far in the distance

[01]Less lag. More frames.

Your PC Was Never Set Up For You.

Windows ships tuned for every PC at once: power saving, background services, telemetry, safety margins nobody asked for. Sleipnir strips it down to what a gaming rig or a workstation actually needs. 5 profiles. Maximum holds nothing back.

90

Tweaks · 10 clean-ups

Hoofprints pressed into frost
Sleipnir's Tweaks page: every tweak with its current state, Apply and Revert
[02]Every tweakApply · Revert

[03]Every corner of Windows.

Nine Places, One Engine.

Performance, network, latency, services, registry, Device Manager, Control Panel, storage and power. It goes where most tuners never touch.

[01]Performance21 tweaks
[02]Network5 tweaks
[03]Latency4 tweaks
[04]Services & Registry8 tweaks
[05]Devices & Control Panel8 tweaks
[06]Storage & Power6 tweaks

[04]Why Sleipnir exists

Once you have felt a PC with nothing holding it back, stock Windows feels broken.

The point of all of it
  • Balanced
  • Workstation
  • Gaming
  • Maximum
A knot carved into weathered stone
[02]The markSleipnir