After upgrading to the Concise Dictionary, you may wish to confirm that the Oxford Concise Dictionary is now active
Look up a word that is not present before upgrade. If the dictionary is not upgraded, you will be prompted to upgrade. If it is upgraded, you will see the definition. Open the dictionary (Tools > Dictionary), then type the word the left of the "Go" button.
Here are a few words:
See if the Upgrade option is grayed out. Open the Dictionary, Click Options. If "Upgrade" is grayed out, your dictionary has been upgraded.