Modern launchers can force the game into the x86-64 beta branch , which provides 64-bit support, allowing the game to access more than 4GB of RAM and utilize multi-core processing for better FPS.
You can enhance your launch by adding parameters to Steam's launch options, such as -multicore or -high (to set CPU priority), which act as a "soft" custom launcher setup. The Future: From GMod to s&box garry's mod launcher
Instead of waiting for the in-game menu to load thousands of subscriptions, tools like Simple Addon Manager II allow you to enable or disable groups of mods before the game even starts. Modern launchers can force the game into the