INSTALLATION INSTRUCTIONS:
1. Unzip the folder ‘DecayConstant2021’ to your Sourcemods folder in the C drive (very important)
if you don’t see a ‘sourcemods’ folder in program files/steam/steamapps/ then make one
2. Go to your games library in steam and install ‘Source SDK Base 2013 Singleplayer’
4. once Source SDK Base 2013 Singleplayer is installed, right click on it and go to Properties>Betas
5. select ‘upcoming – upcoming’ from the drop-down menu
6. Once the upcoming beta installs, restart steam and ‘Decay Constant’ should be in your games library
7. Launch and enjoy!