Upgrade ROuterOS 2.9 on 4.3 version

I want to upgrade my routerOS on 4.3… Now my os version is 2.9…

Can someone to give me procedure about upgrading os…through winbox ?

  1. Download 3.30 packages from download page,
    http://www.mikrotik.com/download.html

  2. Go to System —> License. click on Update License key.

  3. Update your router to 4.3 version then.
    Instruction for uploading/upgrading packages
    http://wiki.mikrotik.com/wiki/Upgrading_RouterOS

Sergejs - the update key button is only in v3.30, so first you have to update with FTP to v3.30 and only then use the button

normis, I have “update key” on my OS version 2.9.27

it’s for some other purpose, that you will need actually. it’s for purchasing a license :wink: