POV: You want to install Bridgecrewio/Yor for current Win10 User and update PATH the way your grandad did it.

Install-Yor.ps1

# Get the latest version from https://github.com/bridgecrewio/yor/releases/
$Yor = @{
  Uri     = "https://github.com/bridgecrewio/yor/releases/download/0.1.180/yor_0.1.180_windows_amd64.zip"
  OutFile = "$env:USERPROFILE\Downloads\yor.zip"
}
Invoke-WebRequest $Yor.Uri -OutFile $Yor.OutFile

# Extract Yor.exe to your Local AppData Folder using 7zip
$ProgramDir = "$env:USERPROFILE\AppData\Local\Programs\Yor"
7z e -y $Yor.OutFile -o"$ProgramDir"

# Copy the Program Path to clipboard
($ProgramDir) | Set-Clipboard

# Add it to your PATH environment variable in the UI and really persist it 
systempropertiesadvanced
# Click Environment Variables 
# Under "User", find "PATH" and click "Edit.." and "New"
# Paste the $ProgramDir from above and click "OK"

# Now close all your active PS Windows and run 'yor -v'