On the old computer you would want to backup your data files.
https://accountants-community.intuit.com/articles/1606223-how-to-copy-or-backup-client-files-using-p... shows you how to backup the returns.
Bring your backup to the new computer. (The best way to do this is to use a Flash Drive).
Then on the new computer, you would want to use Restore for each year. This article shows you how to Restore:
https://accountants-community.intuit.com/articles/1606637-restoring-client-data-files-using-proserie...
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Accept as solution" and then just changing the Accept as solution to Mark as Best Answer, mine gets cutoff, so it is too long. I changed mine to the following and it fits. -->**Say "Thanks" by clicking the thumb icon in a post
**Click "Mark as Best Answer " to mark the post that answers your question.
