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1. Open Migration Assistant, which is in the Utilities folder of your Applications folder.\
2. Click Continue.
3. When asked how you want to transfer your information, select the option to transfer from a Mac, Time Machine backup, or startup disk.
4. Click Continue.

On your old Mac:
If you started your old Mac in target disk mode or are migrating from a Time Machine backup, skip these four steps.

1. Open Migration Assistant. 
2. Click Continue. 
3. When asked how you want to transfer your information, select the option to transfer to another Mac. 
4. Click Continue. 

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1. When asked to select a Mac, Time Machine backup, or other startup disk, click the appropriate icon.
2. Click Continue. You might see a security code.
    

On your old Mac:
If you started your old Mac in target disk mode or are migrating from a Time Machine backup, skip these two steps.

1. If you see a security code, make sure that it's the same code as on your new Mac.
2. Click Continue.

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1. You should see a list of backups organized by date and time. Choose the backup that you want to use.
2. Click Continue.
    

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Continuing on your new Mac:

1. Select the information to transfer.
2. Click Continue to start the transfer. If you have a lot of content, the transfer might take several hours to finish.

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In the example above, John Appleseed is a macOS user account. If you transfer an account that has the same name as an account on your new Mac, you're asked to rename the old account or replace the one on your new Mac. If you rename, the old account appears as a separate user on your new Mac, with a separate home folder and login. If you replace, the old account overwrites the account on your new Mac, including everything in its home folder.

After Migration Assistant is done, log in to the migrated account on your new Mac to see its files. If you're not keeping your old Mac, learn what to do before selling it or giving it away.

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