RaceMenu v0.4.16 (the last version officially supporting 1.5.97) runs flawlessly. No crashes, missing sliders, or script lag — provided you install it correctly.
To fix this, you need a specific version of the mod ported for the Anniversary Edition. racemenu for skyrim se 1597 work
Installation (MO2/Vortex): Install the mod via your mod manager as usual. If asked to update, select "Replace." RaceMenu v0
LOOT/Sorting: Run your load order sorter (LOOT or Vortex's built-in sorter). RaceMenu should generally be placed low in your load order, usually after other character modification mods. To fix this, you need a specific version
Clean Save (Optional but Recommended): If you are updating an existing save:
RaceMenu is not just a UI replacer — it is a SKSE plugin + Papyrus script + Scaleform (Flash) interface. Version 1597 includes: