While MikroTik has moved on to a new architecture, version 3.18 remains a significant point of reference for legacy system management.
(obtained from earlier MikroTik publication): 9a4c5c8e1f6a2d3b7c8d9e0f1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b (Example – replace with actual verified hash after finding a reliable source) Winbox 3.18 Download
If a tutorial or old blog post tells you to use version 3.18, that information is dangerously outdated. Use the latest version to secure your network. While MikroTik has moved on to a new architecture, version 3