How To Enable/Disable Lumen Hardware RT TES IV Oblivion Remastered

Uses hardware ray tracing for Lumen features when
supported by the graphics card.
When your graphic card is not supported, the game will
default to software ray tracing.

1. Click on options.
2. Click on the graphics icon.
3. Locate the Lumen Hardware RT option and change it.
4. Click F for apply changes.