Many Mac users consider VMware Fusion an essential tool that runs programs only available on Windows. Transferring a VMware Fusion license from an old Mac to a new one is simple and identical for VMware Fusion versions 1 to 3. It's important to save a copy of the license key somewhere safe while performing this process, along with a backup copy of any virtual machines, which can later be transferred to the new Mac.
Start VMware Fusion on the old Mac. Click the "VMware Fusion" menu in the upper left corner of the screen and select the "License" option.
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Copy the license number by pressing the "Command" and "C" keys at the same time and save it somewhere safe. If you decide to write it down, be sure to note that for version 3.x it will be a 25-character key and 20 characters for versions 1.0 to 2.x. Also note that the letters "I" and "O" are not used to avoid confusion with the numbers 0 and 1.
Unless you purchased a volume license for use on multiple computers, uninstall VMware Fusion from the old Mac or delete the license key before proceeding. Failure to do so may result in an error message.
Install VMware Fusion on the new Mac and transfer any virtual machines from the old Mac into the "Virtual Machines" directory located in the "Documents" folder.
Start VMware Fusion on the new Mac. Click the "VMware Fusion" menu in the upper left corner of the screen and select the "License" option.
Enter the license key copied in step 2 and click "OK." No further messages should appear.
If an error message appears, make sure VMware Fusion is not installed or is active on the old Mac. Then reboot the new Mac and repeat steps 5 and 6.