Help flashplayer help

[Patsymac]

I am trying to install flashplayer on my tablet but it comes up with the message that because I didnt get it from Play store installation is blocked??? what does that mean?? and how do I unblock it as I want to watch TVNZ on demand and it wont play the videos without the flashplayer??? getting very frustrated - thanks

 

[Lordvincent 90]

You need to enable apps from unknown sources. This option is in a different location depending on the device/os. In my case (nexus7) is in settings>security> unknown sources