You can get the latest Klimper Version here. You will need your license key to activate.
Supports macOS 10.13 (High Sierra) and above, including Monterey and Ventura. Runs natively on Intel (64-Bit) and Apple Silicon M1/M2 Processors.
Runs on Windows 8.1, 10, 11.
64-Bit (Intel/AMD) CPU and OpenGL required.