Hover the mouse pointer over the words License Management in the upper right, as shown in the screenshot I provided, to drop down the list of topics. Click the License Portal line, sign in using the email & password you used when originally activating the license, and do the deed.
Some background:
The other lines in that dropdown provide access to copious doc on various licensing issues.
You may find the last topic on Moving to a New Computer of interest if you have not already transferred all the settings from your old laptop / computer.