The original Burst Limit was a console exclusive. Any "PC version" found via torrent is likely a repackaged emulator with the original ROM, which can be unstable and unsafe if not sourced from reputable emulation communities.
You can play the original Burst Limit in 4K resolution using the RPCS3 emulator. You must own the original disc and dump the files yourself to stay within legal boundaries.
If you are looking to relive the cinematic combat of the original Burst Limit on your PC, the only safe and legitimate method is through :
As of now, by Bandai Namco or Dimps. The original Burst Limit , released in 2008 for PlayStation 3 and Xbox 360, never received a direct sequel. Most "Burst Limit 2" listings you find online are either: Fan-made mods for the original game.