# Download to disk
#
Invoke-WebRequest -Uri $URL_OF_FILE -OutFile $FILE_ON_DISK
# Download into a variable (useful for scripts!)
#
$SCRIPT_DATA = `
(New-Object System.Net.Webclient).DownloadString("$SCRIPT_URL")
# Download and invoke from memory
#
IEX (New-Object System.Net.Webclient).DownloadString("$SCRIPT_URL")