Windowtop Activation Key Install Fix May 2026

To install and activate your Pro license, follow these steps to upgrade from the free version: 1. Locate Your Activation Key After purchasing WindowTop Pro , you should receive an email containing your Product Key . Check your inbox (and spam folder) for a message from LemonSqueezy or the official WindowTop support email. 2. Open the WindowTop Menu Launch WindowTop on your PC. WindowTop icon in your system tray (bottom-right corner of your taskbar). If the icon is hidden, click the small arrow to show hidden icons. 3. Access the Activation Window From the tray menu, select In the Settings window, look for the Activation Pro Version tab on the left sidebar. Click the button labeled Enter Activation Key (or "Activate License"). 4. Enter and Validate Your Key Copy the activation key from your email.

Note: If you purchased the Pro version through the Microsoft Store, you do not need an activation key; the Store manages the license automatically. windowtop activation key install

How to Activate WindowTop Pro

Right-click the WindowTop icon to open the menu.

Select "Enter License Key" or "Upgrade to Pro" (the wording may vary slightly depending on the version).

A dialog box will appear asking for your license details.

Copy and Paste your license key from your purchase confirmation email into the field.

Microsoft Store Activation:

Handled automatically via your Microsoft account . 3. Installation & Key Entry Process To install and activate your Pro license, follow

You should see a green checkmark or a message stating "WindowTop Pro activated successfully."
The tray icon may change color or a notification popup will appear.
Restart WindowTop: Go to the tray icon > Exit, then relaunch the app from your Start Menu. This ensures all Pro features are loaded.

If you have never installed WindowTop before, follow these steps from scratch. Right-click the WindowTop icon to open the menu

The screen became a cockpit. The blue hour deepened. Her fingers flew across the keyboard—modelling here, calculating there, referencing everywhere. The building’s energy model started to sing. Load factors balanced. Sun angles aligned.