The latest stable version of Lc0 is v0.23.3.
There are several versions of the engine which use different hardware to evaluate neural network.
Windows
Every package contains both lc0.exe (the engine), and client.exe (only needed if you would like to contribute training games).
CUDA version is recommended for fairly recent NVidia GPU (year 2014 or later).
Supported GPUs are GTX 7xx, GTX 8xx, GTX 9xx, GTX 1xxx, RTX 2xxx and so on.
Download Lc0 v0.23.3 for Windows, with CUDA backend
OpenCL version is for non-NVidia GPUs, and for older NVidia GPUs.
Download Lc0 v0.23.3 for Windows, with OpenCL backend
DNNL BLAS version is for computers without GPUs, but with modern CPUs.
Download Lc0 v0.23.3 for Windows, with DNNL BLAS backend
OpenBLAS version is for older CPUs.
Download Lc0 v0.23.3 for Windows, with OpenBLAS backend
Older versions and beta releases are available at our GitHub releases page.
Other versions
TODO(write about other OSes, including Linux, MacOS and Android. Possibly in a separate article)