Install it in Chrome.
Complete checkout
Create or sign in to your account, then complete the secure PayPal checkout.
Open extensions
Go to chrome://extensions, then turn on Developer mode in the toolbar.
Load the folder
Choose Load unpacked and select the unzipped BMmapScout folder.
Pay once. Keep access.
Your purchase is recorded in your account after PayPal confirms the payment. Return to My Programs whenever you need the current BMmapScout package.