So you have a code for Diamond, but don’t know how to use it? This will explain how to use it.
1. Go to horizonmb.com/diamond.
2. Choose the subscription for the code you received.
D1MNTH = 1 Month
D3MNth = 3 Month
D1YR = 1 Year
3. Enter your code in the text box shown below, and press update coupon.
4. Enter in your order details, and press next!*
(*When using a 1 Month coupon, payment information will still be required due to the first month being free, but the rest at normal cost.)