I believe the v4 product is still supported. Nobody is forced to buy v5, v4 continues to operate as promised and as sold. The OP wants to run v4 on a new opera

I believe the v4 product is still supported. Nobody is forced to buy v5, v4 continues to operate as promised and as sold. The OP wants to run v4 on a new operating system that wasn't available when they bought v4. They're upset that isn't supported.