Sky+ HD is the brand name of the HDTV service launched by Sky plc on 22 May 2006 in the United Kingdom and Ireland to enable high definition channels on Sky to be viewed. For the first 2 years after launch, the service was branded Sky HD. The service requires the user to have a Sky+ HD Digibox and an HD ready TV. Customers who pre-ordered by paying a deposit before 6 April 2006 were the first to receive the service, with installations starting on 21 May 2006.
As of 21 August 2014 the number of Sky+HD boxes currently in use stands at over 10 million.