The NVIDIA GameWorks settings (like interactive fog and paper debris) heavily tax modern GPUs. Turn these off first.

There is no official "highly compressed" version. Fan-made repacks (e.g., from groups like FitGirl, BlackBox, or CorePack) work like this:

While the official game requires about of disk space, "repacks" can shrink the initial download to around 27 GB . The Reality of Highly Compressed Games

To help you get the best setup for the game, please let me know: Your (CPU, GPU, and RAM)? Your available storage space and drive type (SSD or HDD)?

Once completed, launch the game from your desktop icon. Safety and Best Practices

NVIDIA GeForce GTX 760 (3 GB VRAM) or AMD Radeon HD 7950 (3 GB VRAM)

Explore the entire, seamlessly connected city of Gotham for the first time.

Repacks often cut out crucial audio files, radio chatter, or DLC content to save space. How to Install and Run the Game Safely

: Many repacks allow you to skip downloading optional files, like additional language voiceovers, to save even more space.

Batman: Arkham Knight is infamous for its initial optimization issues on PC. If you experience lag or crashes after installing a compressed version, try these fixes: Fix Lag and Stuttering

Saving data usage for players with strict internet bandwidth caps. Gameplay and Key Features