Ensure you are directly connected via Ethernet to the router. Check that firewall rules are not blocking MAC connection (rare).
https://download.mikrotik.com/routeros/winbox/3.18/winbox.exe Winbox 3.18 Download
Keep the password field blank (if factory default) and click . Critical Security Best Practices for Winbox Ensure you are directly connected via Ethernet to the router
: If you are running RouterOS 7.x or later, you should not use Winbox 3.18. It will work for basic tasks, but you may see missing configuration options for new protocols like ZeroTier , Container , or advanced VXLAN . Winbox 3.18 Download
Winbox v3.18 released! - Page 2 - Announcements - MikroTik Forum
Use at your own risk – verify the file hash (see Step 3).