To sign up for a new subscription: If you don't already have an account, register https://www.mouse-sensitivity.com/register/?noPurchase=1 Go to the store an add the Lifetime Subscription to the cart https://www.mouse-sensitivity.com/store/product/6-lifetime-membership/ Click "Review & Checkout". Click "Checkout" to confirm the order. Enter your key into the "Do you have a coupon code?" field. Click "Apply Coupon", and the order will be approved immediately.