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This is the only "safe" way to run old, cracked software. You can install a virtual copy of or Windows 10 using UTM or VMware Fusion Player (free for personal use). Inside that virtual machine, you can install Photoshop CC 2015. Because the software is sandboxed in the VM, your actual Mac remains safe. However, this requires 16GB+ of RAM and significant hard drive space. adobe photoshop cc 2015 download mac free