With all of todays computers running on SSD drives, your hard drive space is limited. My wife’s MacBook Air has a 256 GB SSD, my iMac has a 512 GB SSD. I think you get the picture, hard drive space is at a premium. If you are looking to free up space on your Mac, then watch this video listing several ways to do that. Not all of them will work for you, but I am sure some of them will be helpful.