It's hard for me to give you a clear answer. Tell me, where will you use the photos? If these are photos for social networks, you can take any program and use the basic functions of this program.
I use free background remover at Removebg. Here all are very simple. Simply upload your image, and the AI-powered tool does the rest in a matter of seconds. The tool of Removebg precisely detects and separates subjects from the background, even in complex images with hair, fur, or transparent elements.