Did you just realize that a potato is more likely to run your L4D at decent fps than your pc? Well, here you got the definitive and extreme way to run L4D in your pc. If you want a "softer" optimization, check this one: https://steamhost.cn/steamcommunity_com/sharedfil

Is your game kinda laggy? Solve it easily by installing these addons! Do you want a more extreme optimization? Check this one: https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=2847112927 Do you want to use these addons in Valve official servers? Pak0

Cᴏʟʟᴇᴄᴛɪᴏɴ ᴏғ ᴍᴏᴅs ᴛʜᴀᴛ ᴡɪʟʟ ɪᴍᴘʀᴏᴠᴇ ᴛʜᴇ ɢʀᴀᴘʜɪᴄs ᴀɴᴅ ᴛᴇxᴛᴜʀᴇs ᴏғ ʏᴏᴜʀ Lᴇғᴛ 4 Dᴇᴀᴅ 2, ᴡɪᴛʜᴏᴜᴛ ʟᴏsɪɴɢ ᴛʜᴇ ʙᴀsɪᴄ ᴇssᴇɴᴄᴇ ᴏғ ᴛʜᴇ ɢᴀᴍᴇ Notes: 1) For this to work, you'll have to set your game graphics to the max 2) I didn't choose the 𝗛𝗗 𝗔𝗶𝗿 𝗖𝗼𝗹𝗼𝗿 𝗖𝗼𝗿𝗿𝗲𝗰𝘁𝗶𝗼𝗻 d