7-Zip 25.00
Released on 2025-07-05
| Version | 25.00 |
| Release Date | 2025-07-05 |
| File Size | 1.6 MB |
| Supported OS | Windows 11/10/8/7/Vista/XP & Windows Server 2022/2019/2016/2012/2008/2003/2000 |
| Status | Old Version |
Download 7-Zip 25.00
1.6 MB · Windows x64
New Features
7-Zip for Windows can now use more than 64 CPU threads for compression to zip/7z/xz archives and for the 7-Zip benchmark.
On systems with more than one processor group (more than 64 CPU threads), 7-Zip distributes running CPU threads across different processor groups.
Improved support for ZIP, CPIO, and FAT archives.
Bug Fixes
CVE-2025-11001 and CVE-2025-11002: Fixed vulnerabilities in symbolic links processing when extracting files from archives.
CVE-2025-53816: Fixed incorrect handling of some incorrect RAR archives.
CVE-2025-53817: Fixed crash for some incorrect COM (Compound File) archives.
Some bugs were fixed.
Performance Improvements
bzip2 compression speed increased by 15-40%.
deflate (zip/gz) compression speed increased by 1-3%.
Support for more than 64 CPU threads on Windows.
Upgrade Guide
- 1
Major performance update — recommended for all users.
- 2
Multiple security fixes for symlink and archive handling.
- 3
Users with high-core-count CPUs (65+ threads) will see significant benchmark improvements.
SHA-256 Verification
To verify the authenticity of your download, calculate the SHA-256 hash of the downloaded file and compare it with the official checksum on the GitHub releases page.
# Right-click file > 7-Zip > SHA-256
# Or use PowerShell:
Get-FileHash 7z2500-x64.exe -Algorithm SHA256