You cannot manually "type in" a new Software ID; instead, it is regenerated or transferred through specific actions:
The only practical reason to "change" the Software ID is when you need to transfer a paid license (Level 4-6) to a different installation (e.g., moving from a PC to a Cloud Core Router, or from one hard drive to another).
Always keep a local copy of your .key files securely stored on a separate server or local drive. mikrotik change software id link
You cannot manually change or edit a Software ID within RouterOS. Instead, you must migrate your license to the new Software ID using the official . How MikroTik Software IDs Behave Across Platforms Screwed up my license? - General - MikroTik community forum
: If you make a manual typo while registering a purchased x86 prepaid key on the MikroTik site , MikroTik Account Management allows you to correct up to two characters for free , provided the key has not been upgraded yet. You cannot manually "type in" a new Software
Hard drive replacement, storage corruption, or format errors. (Requires Mikrotik Support review). $10 USD (For an approved replacement key). How to Link a License on a Cloud Hosted Router (CHR)
After this, you can use the new ID to request a trial or apply a paid license through your MikroTik account. Instead, you must migrate your license to the
⚠️ If you make a minor typo while linking an x86 system license, MikroTik allows you to change up to 2 characters in the Software ID for free on their site, provided the key has not been upgraded yet.
If you need to change your Software ID for licensing purposes, you must use one of the following official methods: Official Procedures for Software ID Changes Request a Replacement Key