For the standard way of uninstalling Adobe Premiere Pro CS4, you need to go to Windows built-in Add/Remove Programs first. Locate Adobe Premiere Pro CS4 on your PC and then click remove to get rid of...
CS4 Extended is the legal version that you must buy. CS4 Portable is a free, illegal version that does all the same things as CS4 Extended, the only difference is that you can't add plug-ins
An uninstaller should have been installed with the program. Use it (it might be in the same location as the executabel itself) Or if you are running on a Windows operating system go to...
The extended versions have all of the features the normal ones do but they offer extra features such as the ability to import and edit 3D graphics, video enhancement and more tools to use for editing...