It looks like you're asking about "Receiver 2017 Editor Version.rar" — a file likely containing a modding or development build of the game Receiver (or Receiver 2) from around 2017.
While the exact contents of the .rar file are not detailed in public documentation, it is listed as a product tag on the SSI INDIA website alongside categories such as: Receiver 2017 Editor Version.rar
Caution:
Direct Download (External): A version of the file titled Receiver__EditorVersion_kanzalia.com.rar is available on ShareMods, though you should always scan files from third-party hosting sites for safety. Quick Setup Tips It looks like you're asking about "Receiver 2017
Verify Original Ownership: Ensure you own the base game on Steam to support the original developers before applying community mods. Creating Tiles : Navigate to the Prefabs or
Creating Tiles: Navigate to the Prefabs or Tiles folder within the Unity Project. You can kitbash existing assets to create new challenge rooms.
Slide/Cocking: Press R (while magazine is in) to rack the slide. Press T to pull the slide back slightly to check if a round is chambered. Safety: Press V to toggle the safety. Important Note on Sources