Update the Windows install.

windows/resources/get-file.ps1

@@ -0,0 +1,13 @@
+
+# Download file to current folder using default or provided name. Return saved file name
+Function Get-File([string]$url, [string]$filename) {
+	#Get filename from path
+	if ($filename.Length -eq 0) {
+		$filename = Split-Path -Path $url -Leaf
+	}
+	#Download if local copy doesn't exist
+	if (-not (Test-Path $filename)) {
+		Invoke-WebRequest $url -OutFile $filename
+	}
+	return $filename
+}