Run the 'electroNeek Agent' application if not run yet. Make sure the corresponding icon has appeared in the system tray.
Right-click on the icon in the tray and select the 'Add a license key' option.
Press the 'Load a license key from a file' button.
Search for the provided '.key' file in the explorer and perform a double-click on the file. The window with the account name and the expiry date will appear afterwards. This window can also be opened by selecting the 'Show summary' option from the 'electroNeek Agent' menu.
Now the product is ready for operation.