Ray Installation for Python

I have been trying to install Ray but I keep getting this error. I have the latest version of pip and python installed and I cannot figure out whats going wrong. Need urgent help here please.

PS F:\Chromatic Aberrations Research\DELETE\parallel> pip install -U “ray[default]”
ERROR: Could not find a version that satisfies the requirement ray[default] (from versions: none)
ERROR: No matching distribution found for ray[default]
PS F:\Chromatic Aberrations Research\DELETE\parallel>