How to install Portal 1 - Ultra Graphics Mod
NOTE: I dont have a mac. I dont know if it works on mac. I do not support mac.
1. Extract the .zip file you downloaded from this page. if you get a folder called "Portal" thats good.
(download is in the files section, Files - Portal 1 - Ultra Graphics Mod click on the newest version, then click on the download button, you will get a .zip file)
2. Go to your steam directory. (for me thats C:\Program Files (x86)\Steam)
3. Click on the folder "steamapps" then drag the "Portal" in common
4. REPLACE, REPLACE, REPLACE! (if windows asks you to replace files)
5. Go on Portal 1, then press the "HOME" key, if you see a bar saying ReshadePreset click on it and use Graphix2021.
6. Enjoy your 2007 game get a taste of the future.
7. Press the END key on your keyboard to toggle the effects.
HOME: Change reshade preset
END: Toggle reshade preset
DEL: Toggle ADOF (Depth Of Field)
INS: Performance Mode