7-Zip 24.09

Released on 2024-11-29

Version24.09
Release Date2024-11-29
File Size1.6 MB
Supported OSWindows 11/10/8/7/Vista/XP & Windows Server 2022/2019/2016/2012/2008/2003/2000
StatusOld Version

Download 7-Zip 24.09

1.6 MB · Windows x64

Get Old Version

New Features

Default dictionary size values for LZMA/LZMA2 compression methods were increased for better compression ratios.

7-Zip now calculates SHA-512, SHA-384, SHA3-256, and MD5 hash checksums.

APM and HFS archive support was improved.

Archive move progress is now shown when updating large archives.

Bug Fixes

Fixed: 7-Zip File Manager didn't propagate Zone.Identifier stream for extracted files from nested archives.

Some bugs were fixed.

Performance Improvements

Larger default dictionary sizes: -mx5 Normal now 64 MB (was 32 MB), -mx7 Maximum now 256 MB (was 64 MB).

32-bit versions limited to 64 MB maximum dictionary size.

Upgrade Guide

  1. 1

    Update for improved compression ratios with new default dictionary sizes.

  2. 2

    New hash algorithms (SHA-512, SHA3-256) available via context menu.

  3. 3

    Note: archives created with larger dictionaries require more RAM to extract.

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 7z2409-x64.exe -Algorithm SHA256