Please make sure to read the install page VERY CAREFULLY! This should solve all the issues you face. If not carry on, but don't say we didn't tell you.
It's Taking Suuuuuuuuuuuuuuuuuper Long to Install! Whats up with that?
Your computer has to install some programs and then build everything from source. This is going to take a while depending on your computer speed. Patience is key. We can't speed it up for you. It may look like its frozen but it is not.
Some tips: Make sure you are doing this install on a fast hard drive (ideally SSD, but HDD will work fine) and not on a USB Key or removable media.
command failed downloading python or build tools
Please restart this script in an administrative Powershel! means you did not read the install page correctly.
MSB3428: Could not load the Visual C++ component "VCBuild.exe"
Looks like someone hasn't follows the installation instructions correctly...
(are you sensing there's a theme yet in this troubleshooting guide?)