How to install
1. Download Detailed Realism
2. Open Run
3. Type %appdata% and click OK
4. Go to Roaming/.minecraft/resourcepacks
5. Drag and drop the downloaded file in there
6. Install Optifine
2. Open Run
3. Type %appdata% and click OK
4. Go to Roaming/.minecraft/resourcepacks
5. Drag and drop the downloaded file in there
6. Install Optifine