Yes.. As mentioned above, desktop environments like KDE with all default effects can use more system resources. Using other lighter desktop environments, will lessen the resource use, and make using anything at that point quite enjoyable.. The best thing to do is to just try one, if it does not work for your needs, try another.. Installing Linux from a bootable ISO does not take long at all. I can freshly install any Ubuntu distro, and have it fully updated in around an hour.. Online guides and tips from other users are all over the internet for making things work, that sometimes do not out of the box.. I do photo editing on linux, watch movies "DVD's", have steam installed, run virtual machines with windows for testing, you name it, and have no problems doing so.