the reshade makes feel familiar game with look like brand new. It enchances environment and adds more atmosphere in to game, and may looks like photorealistic, according to you.
Steps how to play a game with this reshade.
1. Download Reshade client from Reshade.me
2. Select HL2.EXE or \SteamLibrary\steamapps\common\Half-Life2\hl2.exe
3. Select Direct 9
4. skip
5. Checkmark all effects then click next
6. Let it download and finish
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In game
1. Press HOME button
2. Press Skip tutorial
3. now go back to get Sierra.ini and put it common\HL2\bin
4. Go back to the game and click the browser (it reads ReShadePreset)
5. Select Sierra.ini
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Your done. Have Fun!
Maybe it's just me but I downloaded this and put it into source mods....but even though it opened....there was nothing to play...it was just blank.
There are instuctions on the files