For your version of Mac, you will need Adobe Flash Player 11.x. The latest one is not supported. Download the correct archive, unpack it and access the folder then install the correct version for your computer/laptop.
Re: downloading flash player for mac os x 10.5.8 Kaewngam Apr 26, 2013 6:43 AM ( in response to kerbunner ) MacOSX 10.5.8 was the last version of the OS that ran on both PowerPC and Intel Macs.
Showing results for 'adobe flash player 11.9 10.5.8' as the words for mac are considered too common Panoweaver Standard Edition (Mac) Stitch 360 degree panorama for mac and export Flash.
Warning when you run Shockwave 11.5 on Mac OS X 10.6
Adobe® Flash® Player is a lightweight browser plug-in and rich Internet application runtime that delivers consistent and engaging user experiences, stunning audio/video playback, and exciting gameplay.
Solution 1: Update to Shockwave Player for 64-bit Mac OS
Press Command+I to open Applications Info for Safari (or Ctrl-click and choose Get Info).
Adobe Flash Player Update For Mac
The error message appears because Adobe Shockwave 11.5 is a 32-bit application, and Mac OS X 10.6 is a 64-bit operating system. For more information on 64-bit support in Mac OS X, see What's new in Snow Leopard.