$url = 'https://dl.google.com/tag/s/dl/chrome/install/beta/googlechromebetastandaloneenterprise.msi';

if ([Environment]::Is64BitProcess) {
    $url = 'https://dl.google.com/tag/s/dl/chrome/install/beta/googlechromebetastandaloneenterprise64.msi'
}

Write-Host "Downloading Google Chrome Beta"
$wc = New-Object net.webclient
$msiInstaller = "$env:temp\google-chrome-beta.msi"
$wc.Downloadfile($url, $msiInstaller)

Write-Host "Installing Google Chrome Beta"
$arguments = "/i `"$msiInstaller`" /quiet"
Start-Process msiexec.exe -ArgumentList $arguments -Wait
Remove-Item $msiInstaller

$suffix = "\\Google\\Chrome Beta\\Application\\chrome.exe"
if (Test-Path "${env:ProgramFiles(x86)}$suffix") {
    (Get-Item "${env:ProgramFiles(x86)}$suffix").VersionInfo
} elseif (Test-Path "${env:ProgramFiles}$suffix") {
    (Get-Item "${env:ProgramFiles}$suffix").VersionInfo
} else {
    write-host "ERROR: failed to install Google Chrome Beta"
    exit 1
}