How to Change QuickBooks Desktop License Number or Product Code?

Opening the qbregistration.dat file through QuickBooks

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Manually edit the qbregisteration.dat to change a QuickBooks license or product code number

Step 1: This can be done by opening the QuickBooks desktop.

Step 2: And then tapping the F2 key and then F3, in order to open the Tech Help window.

Step 3: Also, select QBREGISTRATION.DAT on the Open file tab and also select the open file. This will open in a notepad.

Step 4: The next step is to create a backup of the qbregistration.dat file. QuickBooks won’t open right if there are any types in the file. This is very much important.

Step 6: For this, you need to select Save as from the notepad File menu.

Step 7: And also select Desktop in the save as window, along with that select Save.

Step 8: Also, close the file.

Step 9: Then, re-open the file from the Tech Help window.

Step 10: And also, close the QuickBooks desktop.