// Local inference & serving
Download Ncnn20261020
Official Ncnn downloads for Windows, Mac, Linux. ncnn is a high-performance neural network inference framework optimized for the mobile platform.
OFFICIAL DOWNLOADDirect official link
20261020 · 2026-10-20
Every button links straight to the official file (github.com). AIMap does not host or modify installers. Checked 2026-10-23.
01All files in the latest release
Release notes →From Tencent/ncnn on GitHub Releases · 20261020 · 2026-10-20. Sizes and SHA-256 are as published by GitHub.
| System | File | Type | Size | SHA-256 |
|---|---|---|---|---|
| Windows | ncnn-20261020-windows-vs2015.zip | Archive | 65.3 MB | 6d5e9c901535c1872b22af43d31e298a6254a8a0515179f796bd5a9943e81868 |
| Windows | ncnn-20261020-windows-vs2017.zip | Archive | 80.9 MB | c648a38907ae245eca5e7988490d56e098d833f0c09315a593a128384e9ce7fd |
| Windows | ncnn-20261020-windows-vs2019.zip | Archive | 102 MB | 5164903c7a3f719196aab81a87c10b9bc2e19e218dfcb4b43023510f2194b385 |
| Windows | ncnn-20261020-windows-vs2022.zip | Archive | 114 MB | ef9fe4463e5db0f41484ad25e91686e709b91e400858639aed631c280dfa91d4 |
| Windows | ncnn-20261020-windows-vs2026.zip | Archive | 128 MB | 3e65e31846afd96e83a4a1c17e2aa825fde75eb9c927663a06a059336cf84312 |
| Windows | ncnn-20261020-windows-vs2015-shared.zip | Archive | 9.66 MB | 3700e7038f6f2ea427d44f765b676c8f63730955993da9af470a362b10551df9 |
| Windows | ncnn-20261020-windows-vs2017-shared.zip | Archive | 11.5 MB | 4d0eeba7ab388e804963d515a17b59e77d98f0fa155121b2c0ecde8eee0677c2 |
| Windows | ncnn-20261020-windows-vs2019-shared.zip | Archive | 14.3 MB | dd67597821aff0d83fd40fe8bdeef7c423b2f3bd1f328f4a23535420fe74a32e |
| Windows | ncnn-20261020-windows-vs2022-shared.zip | Archive | 16 MB | 7f39107af5ee4c1e657b8fd01e8b3cad6c0ab7fdbb0713532f01937134285b3d |
| Windows | ncnn-20261020-windows-vs2026-shared.zip | Archive | 15.9 MB | e6589801f5b89210e9cda50447a6da955f0f5ef3e19686e1b4a64ddc5910c2ed |
| Mac | ncnn-20261020-apple.zip | Archive | 86.9 MB | 41af7d66273c2884602334c36d47a700e29c17cf8fed9499a27de47ccbe759e6 |
| Mac | ncnn-20261020-macos.zip | Archive | 12.5 MB | e33de27e608da9f71c7c47b61cc2c443f08371f1df47a8222ea493ccd93e3f2d |
| Mac | ncnn-20261020-mac-catalyst.zip | Archive | 12 MB | 259a4473c17ca91579a826fd2bd873dfc574ece0f598fccb5d9111fe98ca0276 |
| Mac | ncnn-20261020-apple-vulkan.zip | Archive | 114 MB | 90a0d963d352404942b92e079b830031e688bdf0f8065f61ca3502e75e9d0392 |
| Mac | ncnn-20261020-macos-vulkan.zip | Archive | 16.6 MB | fab47e1b97f5301ddb32ec7f7e0ba59ea5241adbed91a659a808598c0341534e |
| Mac | ncnn-20261020-mac-catalyst-vulkan.zip | Archive | 15.9 MB | 28e4d3d8099c0c6530f84cc12c442cdba69014c346417910a36cc6580e0f7f85 |
| Linux | ncnn-20261020-ubuntu-2204.zip | Archive | 65.4 MB | 0e364326f6b6e225f1d1886e2127898c9d3383811a894e2680d156f589fe2641 |
| Linux | ncnn-20261020-ubuntu-2404.zip | Archive | 77.5 MB | d3b2dcc98f454424911c2bfe3589c0431f07591b7b2d193f18911be6b1ffc28c |
| Linux | ncnn-20261020-ubuntu-2604.zip | Archive | 64.9 MB | c4d6646e0416f4dc05358910315eb1e9f5c0727e0ab397a72dce6a203dfaa19e |
| Linux | ncnn-20261020-ubuntu-2204-shared.zip | Archive | 9.82 MB | d3152bf1bc0003b41f7cc8f50636df4fa28c87e63afaa21122e5f4bf759f50ca |
| Linux | ncnn-20261020-ubuntu-2404-shared.zip | Archive | 11.5 MB | 996e07a787550b782dd5891a2a60d7fa5d8f84452bb2f244ce0f3f9c01417842 |
| Linux | ncnn-20261020-ubuntu-2604-shared.zip | Archive | 11.3 MB | a774d2f4f75598f4849600c0a1e15f9e59b0460ce79cae905a90cabef7448c9e |
02How to install Ncnn
Windows
- Download the .exe / .msi above (or the .zip portable build).
- Double-click to install. If SmartScreen warns, check the publisher name before choosing “Run anyway”.
Mac
- Download the .dmg (or .zip) for your chip.
- Open it and drag the app into Applications. For a .tar.gz CLI, unpack it and move the binary onto your PATH.
Linux
- .AppImage:
chmod +xit and run. .deb:sudo apt install ./file.deb. .rpm:sudo dnf install ./file.rpm.
FAQ
Is this the official Ncnn download?
Yes. Every link points to an official source: github.com. AIMap does not host, repackage or modify any installer; we re-check the links on every data refresh (last 2026-10-23).
What is the latest version of Ncnn?
20261020, released 2026-10-20 (latest stable release on GitHub Releases, checked 2026-10-23).
Which Windows file should I pick?
Most PCs are x64 (Settings → System → About → “System type: 64-bit operating system, x64-based processor”). Pick ARM64 only on ARM laptops such as Snapdragon X machines. .exe/.msi are installers; .zip is a portable build you unzip and run.
How do I verify the download?
Compare the SHA-256 shown in the file table (published by GitHub for each release asset) with your file: macOS/Linux `shasum -a 256 <file>`, Windows PowerShell `Get-FileHash <file> -Algorithm SHA256`.
Is Ncnn free?
Pricing model: Open source; licence BSD-3-Clause. Check the official site for current plans.