How to Download a File from SharePoint Library using PowerShell?

Requirement: Download a File from SharePoint Document Library using PowerShell
 
How to Download a File from a Library in SharePoint?
Users can download copies of files from the SharePoint libraries to another location such as the local computer or any accessible network file share. To download a copy of a file from a document library, do the following:

• Go to your SharePoint document library and select the file to download. 
• From the "Files" tab, Click on "Download a Copy" button from the ribbon. 
  
• This opens the "Save as" pop-up. Click "Save as" and select a location where the document copy will be saved. Specify the name for the document and click on "Save".

You'll see the message "download has completed" at the bottom of the browser window. You can also use "Download a Copy" from the context menu of the document. Just Click the ellipsis icon on the pop-up window and choose "Download a Copy".

Download a File from SharePoint using PowerShell
Here is how to download SharePoint File using PowerShell

Add-PSSnapin Microsoft.SharePoint.Powershell -ErrorAction SilentlyContinue

#Set Parameters
$WebURL = "https://opera.crescent.com/sites/template/"
$FileRelativedURL = "/Sites/template/Shared Documents/ASI-LOG.docx"
$LocalFolderPath = "C:\Template"

Try {
    #Ensure the destination local folder exists! 
    if (!(Test-Path -path $LocalFolderPath))
    {    
         #If it doesn't exists, Create
         $LocalFolder = New-Item $LocalFolderPath -type directory 
    }

    #Get the Fie
    $Web = Get-SPWeb $WebURL
    $File = $Web.GetFile($FileRelativedURL)

    #Download the file
    $Data = $File.OpenBinary()
    $FilePath = Join-Path $LocalFolderPath $File.Name
    [System.IO.File]::WriteAllBytes($FilePath, $Data)

    Write-host -f Green "File downloaded Successfully!"
}
Catch {
Write-host -f Red "Error:" $_.Exception.Message
}

To download all files from a SharePoint document library using PowerShell, use: Download All Files from SharePoint Document Library using PowerShell