Method 1:
Step 1: Download the Flash player from Adobe. Open with Ubuntu software center.
Step 2: Click on Install button to start the installation of Adobe flash player.
Method 2:
Step 1: Open Software Center for Dash.
Step 2: Search for Adobe in right top corner.
Step 3: Select Adobe flash plugin 10 and then click on Install button.
Method 3:
Step 1: Open Terminal ( Dash Home —-> Search for Terminal)
Step 2: Type the following command to install Adobe flash player.
sudo apt-get install adobe-flashplugin
That’s All! Now you can start to play all kind of favourite flash games or movies online.