There is no definitive answer to this question as it depends on the specific circumstances of the individual computer and Photoshop. If you have a copy of Photoshop installed on your computer, then you can uninstall it and reinstall it on another computer without any problems. However, if you do not have a copy of Photoshop installed on your computer, then you will need to uninstall it and then reinstall it on the specific computer in order to be able to uninstall and reinstall Photoshop.