Just got laid off, what should I do first? after 8 years as a delivery driver

I lost my job as a delivery driver and I am not sure what to do first. This is my first time dealing with any of this. I have a few weeks of savings and a rent payment due. Which steps were urgent?

Thanks for writing this out. I went through something close to it last year, and it settled down once I kept a simple log of every call and form.