Manually editing Skyrim.ini and SkyrimPrefs.ini (located in Documents/My Games/Skyrim Special Edition ) can yield a massive performance boost.
This is the single biggest available in 2026. skyrim performance boost
| Tweak | Effect | |-------|--------| | Run game on SSD (NVMe preferred) | Eliminates texture pop-in, halves load times | | Force Windows to use “High Performance” power plan | Prevents CPU throttling | | In NVIDIA Control Panel / AMD Adrenalin: Prefer Maximum Performance | Avoids power-saving stutter | | Disable fullscreen optimizations (SkyrimSE.exe → Properties) | Fixes alt-tab and borderless lag | | Set process priority to High (use Process Lasso) | Reduces background task interference | Manually editing Skyrim