Sky has announced is has launched a newly updated version of Sky Anytime on PC.

The on-demand service now offers the addition of documentary programmes as a new genre for viewers to download and is said to be easier to use with enhanced functionality.

The range of content available on the service has expanded to include programming from third party channels for the first time including National Geographic Channel; Nat Geo Wild; The History Channel; The Biography Channel and Crime & Investigation Network.

In addition, Sky Real Lives will also join the Sky channel portfolio now comprising Sky One, Sky Sports, Sky Movies and Sky Arts.

As well as the increased content the service has been upgraded to a web-browser based application, which Sky says makes navigation and searching for programmes easier.

This means not only can users browse content via one URL, but can browse content from any web-enabled PC for download to their selected home PC.

Sky Anytime on PC is now available for non-Sky customers on a buy to own basis so non-Sky customers will be able to download to own episodes from series such as "Lost" and "Weeds" for a one off fee of around £2.