The presence of or an executable file format ( .exe ) for a license key is a major red flag.
Compatible with both 32-bit and 64-bit Windows architectures.
While the WinRAR software itself might be legitimate, the "Key.exe" bundled with it is almost certainly malicious. Technical Breakdown of the Name
If you want a completely free, open-source tool without license prompts, 7-Zip is the industry standard and supports .rar files.
Claims to include a registration key or a program to generate one. Safe Recommendation
If you need WinRAR, it is strongly advised to download it only from the official WinRAR website .
Genuine WinRAR license keys are provided as a small file named rarreg.key , not as an executable program.