1. After installation, run rzr-init.exe
2. Copy Paste the given crack folder.
3. Create a shortcut to left4dead2.exe on desktop, add following parameters: -console -novid +sv_allow_lobby_connect_only 0 +sv_lan 1
4. Copy Paste the given patch folder.
5. Install Fix1 32x and Fix2 32x for 32 bit & 64 bit respctively.
6. If it still doesnt work, set your date to November 30th.