WarningIf you are using Tor Browser Bundle is mission critical to you and you are trying hard not to get tracked, please do not install Flash. Doing so will jeopardise your identity in the network.
This is how to install Adobe Flash plugin in to your Tor Browser Bundle.
Update [24 June 2015]
The new Tor Browser installation package already have the plugin installed with it. All you have to do now is to enable it.
- Copy all files in "C:\Windows\System32\Macromed\Flash" folder in to your Tor Browser Bundle folder "\Tor Browser\FirefoxPortable\App\Firefox\plugins".
- Run or restart Tor Browser.
- Go to "Tools > Addons > Plugins".
- Enable "Shockwave Flash 11".
References, Sources and Credits: