switching from a computer that is going out to a diffrent computer
Back up your file. Install quickbooks on new computer. (you will need your registration information) Restore your information. Do not get rid of your current computer until you know the new one is good and running. If your QB is old, consider getting a new one. You can still back up your file and restore on new QB. When you purchase a new QB they should be able to help you install and restore.