Answer
If you have already purchased a subscription from the Lightning Payroll website and want to activate it while the trial version is running, you do not need to close or reinstall the program.
Desktop App
When the trial wizard opens on startup, scroll to the bottom of the first page. You will see the message "If you are an existing (non-trial) user please click the Enter Paid Subscription Details button below."
- Click Enter Paid Subscription Details. The Licence Assistant opens.
- Enter your registered email address (the one used to purchase the subscription).
- Enter your Subscription ID (the numeric ID from your confirmation email or your account page).
- Click Download Licence. The app downloads and verifies the licence file.
- Click Next to install the licence. A confirmation screen shows your expiry date, employee count, and included add-ons.
- Click Finish to close the wizard. The app is now running under your paid subscription.
You can also open the Licence Assistant at any time from the main menu via Tools >> Licence Assistant.
If the download step fails, check your internet connection and confirm the email address and Subscription ID are correct (both fields are case-sensitive). See I Have Paid For My Licence What Happens Next? for further guidance.
Online (Web/Mobile) App
The online app does not require a licence install step. Once your purchase is complete, your subscription is picked up automatically the next time you log in. No action is needed inside the app.