Racemenu For Skyrim Se 1.5.97 -

for any modded setup on 1.5.97, especially for character customization, preset management, and advanced sliders.

You're likely referring to for Skyrim Special Edition (version 1.5.97) — the pre-Anniversary Edition build often called SE 1.5.97 (the last SSE build before the AE update to 1.6.x). Racemenu For Skyrim Se 1.5.97