About Minecraft Migrating

You would've had to migrated last in 2023by the end od the year not now

You cannot migrate anymore

If you received the confirmation email about the migration, it migrated properly for sure. Please make sure you download the right version of Minecraft (Java or Minecraft for Windows) and use this Windows 7/8 launcher for now.

If you had already migrated your minecraft account to your dad's account there is no way to migrate it again. According to Minecraft support, this migration is permanent.

How to Migrate a Legacy Minecraft Account to a Microsoft Account | Minecraft Help

This is assuming that's the migration you are referring to. But you can double check with Minecraft support.

So you purchased Minecraft with your Mojang account, right? Then you migrated to a Microsoft account?

Did you received the confirmation email about the migration process on your Microsoft account?

I bought from minecraft.net but they leave a recorded message in their ticket saying contact microsoft support

To be more precise, they say:
"
Hello,

Thank you for contacting us for help with your Java Edition account.

As of September 19, 2023, Minecraft Support is no longer able to assist with Mojang/Minecraft log in or other account related issues as account migration has ended.

If you have migrated your Mojang/Minecraft account to a Microsoft account and need assistance, please contact Microsoft Support.

For further information about the end of account migration, please visit this article.

Regards,
Minecraft Support
"

I have already changed this account to Microsoft ( migrate )
And what should I do now?