If you already have a NoiseMap five licence, then open NoiseMap and go to
Help>Check for Licence/Software Updates and you will be taken to your licence checker. This will show you whether your licence is current and will offer you any applicable downloads, including updates that you are entitled to receive.
If you don't have a NoiseMap five licence (either because this is a new installation or you only use NoiseMap Enterprise, then email
support@noisemap.com with your details (inlcuding dongle number) and we will assist.