When downloading WinRAR 5.01 - full version, you must choose between 32-bit and 64-bit editions.
| Feature | 32-bit Version | 64-bit Version | | :--- | :--- | :--- | | Best for | Older PCs (pre-2010) & legacy Windows | Modern computers with 4GB+ RAM | | Max dictionary size | 256 MB | 1 GB | | Compression speed | Slower for large files | Significantly faster on multi-core CPUs | | OS compatibility | Windows XP, Vista, 7, 8, 10 (32-bit) | Windows 7/8/10/11 (64-bit) | | Memory usage | Limited to ~2GB | Can utilize all available RAM |
Recommendation: If you have a 64-bit processor (most computers since 2010), always choose the 64-bit version for better performance with archives over 500 MB.
Yes, it can extract 7z archives, but it cannot create them (it creates RAR or ZIP instead). WinRAR 5.01 -32bit - 64bit -full version
Fixes over 5.00: Minor bug fixes related to archive corruption handling, shell extension crashes, and ZIP unpacking errors.
No. WinRAR is shareware. You get a 40-day trial, but after that, you need a license for the full version. However, the trial never expires—it just shows a reminder window.
Notable CVEs affecting WinRAR versions before 5.70 (including 5.01): When downloading WinRAR 5
| CVE | Issue | Fixed in | |------|-------|-----------| | CVE-2018-20250 | ACE file extraction path traversal (ACE format bug) | 5.70 beta 1 | | CVE-2018-20251 | Race condition via temporary files | 5.61 | | CVE-2018-20252 | Out-of-bounds write in RAR4 recovery volumes | 5.60 |
Recommendation: Do not use 5.01 for handling untrusted archives, especially .ace, .rar, or .sfx files from unknown sources. The CVE-2018-20250 exploit (WinRAR ACE vulnerability) is weaponized and widely used in malware campaigns.
You might wonder, "Why not just use 7-Zip or the latest WinRAR 6.x?" Here are three reasons users still seek out version 5.01: Yes, it can extract 7z archives, but it
Published: April 13, 2026
Few utility programs have achieved the legendary status of WinRAR. For decades, it has been the gold standard for file compression, encryption, and archival on Windows systems. While newer versions have since been released, WinRAR 5.01 remains a landmark release—celebrated for its stability, performance enhancements, and the introduction of features that are now considered essential.
This article provides a complete overview of WinRAR 5.01, covering the differences between the 32-bit and 64-bit editions, what constitutes the "full version," and why this specific build is still relevant today.