Download the 64-bit or 32-bit version depending on your OS.
If you want, I can:
(Invoking related search suggestions.)
For the first time in weeks, the network breathed. The packet loss vanished.
The most secure way to manage your devices is to download the current version (v3.x or v4.x) directly from the official MikroTik download page Legacy Version (v2.2.18):