Hello @LeeMann, welcome to the forums, I am glad you're here!
That is so true, motivation through action or any means is extremely difficult when depressed, everything can feel impossible. Being isolated and having no support on top of that is a really rough go, I'm sorry you're in that position. I do hope that just by being on here you might feel some sense of community and connection. These forums are awesome for that, you are never alone!
I experience depressive episodes that can last weeks or months, when I am in this state I have to force myself to do the things and it can be really painful but in the long run I am better for it. I have to really praise myself for the small wins. If I got up, took my meds, ate something, changed my shirt etc, I'm absolutely smashing it! The actions don't have to be big or achievements to be motivating. Being really really kind to myself and allowing myself things that feel good, watching a funny or mindless show, having a sweet treat, indulging my senses, trying to treat myself like I am somebody who needs taking care of. Eventually it gets easier.
Support will do a world of good, I used to be quite isolated too until I started volunteering in my community. I know it sounds scary but do you think that is something you could take a leap with, building yourself a village?