As the first part of a "multi-part" RAR archive, this file typically contains the initial setup data and installer architecture. Because the software is several gigabytes in size, it is often split into smaller parts (part1, part2, etc.) for easier sharing or downloading. What is inside this specific part?

Based on the filename , the contents are part of a split compressed archive for installing Wolfram Mathematica 13.2 , a major technical computing system.

While you cannot run part1 alone, it generally holds the following:

: The primary setup.exe or Mathematica_13.2.0_WIN.exe that initializes the wizard.

: The beginning of the large Data.cab or internal resource files that contain the actual computational functions and documentation. Critical Usage Notes

: Fundamental binaries and libraries ( .dll or .so files) needed for the kernel to function.