Winbox Old Version 2216 ((exclusive)) Download Exclusive Official

MikroTik does officially archive every old Winbox build on their main download page. However:

If you are maintaining older MikroTik hardware running RouterOS v2.x, v3.x, or v4.x, version 2.2.16 often provides the most stable interface without the "modern protocol" overhead that can sometimes cause connection drops in newer versions. winbox old version 2216 download exclusive

Searching for a specific, older version of Winbox like 2.2.16 can be a bit of a hunt, as MikroTik naturally encourages users to use the most recent, secure versions. MikroTik does officially archive every old Winbox build