Display Dimmer
Install free
Pro activation

Activate or restore Pro.

Follow the steps for your original purchase method.

How did you buy Pro?

Choose where you bought the upgrade—not where you installed the app.Not sure? Check your receipt or Microsoft order history.

Lemon Squeezy

Direct purchase

Bought through the Display Dimmer website using Lemon Squeezy.

  1. 1

    Select Unlock Pro now

    Choose the blue button on the purchase confirmation page.

  2. 2

    Allow Display Dimmer to open

    If Windows asks, select Open Display Dimmer.

What happens next After successful activation, your Pro features are unlocked in the app.

Microsoft Store

Bought through Microsoft Store with your Microsoft account.

  1. 1

    Sign in to Microsoft Store

    Use the Microsoft account that originally purchased Pro.

  2. 2

    Open Settings → Pro

    Select Restore Pro.

  3. 3

    Choose Microsoft Store purchase

    Use the Microsoft Store option to continue.

What happens next Display Dimmer checks Store ownership and restores Pro when the purchase is found.
Direct purchases only

Activate with a license key

Reinstalling Display Dimmer, or the confirmation button didn’t open the app? Use the license key in your receipt email.

  1. SettingsPro
  2. Restore ProDirect purchase
  3. Enter license keyActivate Pro
Keep your receipt email for future reinstalls. Activation limits still apply.

Having trouble activating?

Try the checks below, or contact support for help.

Display Dimmer didn’t open

Install or update to Display Dimmer 2.2.8 or newer, then try the confirmation button again. You can also use the license-key steps above.

Can’t find your license key?

Check spam and the email address used at checkout. If the receipt is still missing, contact support.

Activation limit reached

Your license includes multiple activations for reinstalls and device changes. If you reach the limit, contact support with your order email and a short note about what changed so we can review the license.

Microsoft Store can’t find your purchase

Make sure Microsoft Store is signed in with the account that bought Pro. Restart Microsoft Store and Display Dimmer, then select Restore from Microsoft Store again.