public/Find-LatestUpdate.ps1
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function Find-LatestUpdate { <# .SYNOPSIS Finds the latest delta or cumulative update for Windows or Windows Server operating system .DESCRIPTION This script will return the list of Cumulative updates for Windows 10 and Windows Server 2016 from the Microsoft Update Catalog. .PARAMETER Build Windows 10 Build Number used to filter avaible Downloads 10240 - Windows 10 Version 1507 10586 - Windows 10 Version 1511 14393 - Windows 10 Version 1607 and Windows Server 2016 15063 - Windows 10 Version 1703 16299 - WIndows 10 Version 1709 .PARAMETER Filter Search filter for updates. The default filter will find Cumulative updates for x86 and x64 platforms. If multiple strings are specified, only update that match *ALL* strings will be found. Cumulative: find only Cumulative updates Delta: find only Delta updates x86: find only updates for x86 platform x64: find only updates for x64 platform .NOTES Copyright Keith Garner (KeithGa@DeploymentLive.com), All rights reserved. Contributors: Andriy Melnyk (mao@bebee.xyz) .LINK https://support.microsoft.com/en-us/help/4000823 .EXAMPLE Get link to the latest Cumulative update for Windows 10, both for x86 and x64 platforms Find-LatestUpdate -verbose .EXAMPLE Get link to the latest Cumulative update for Windows 10 x86 Find-LatestUpdate -filter Cumulative, x86 .EXAMPLE Get the latest Cumulative Update for Windows Server 2016 Find-LatestUpdate -filter Cumulative, x64 -build 14393 .EXAMPLE Get the latest Cumulative Updates for Windows 10 (both x86 and x64) and download to the %TEMP% directory. Find-LatestUpdate | %{ Start-BitsTransfer -Source $_ -Destination $ENV:Temp } #> [CmdletBinding()] Param( [String] [Parameter( HelpMessage = "Windows build number." )] [ValidateSet( '16299', '15063', '14393', '10586', '10240' )] $Build = '16299', [String[]] [Parameter( HelpMessage = "Windows update Catalog Search Filter." )] [ValidateSet( 'x64', 'x86', 'Cumulative', 'Delta', $null )] $Filter = @( "Cumulative", "x64" ) ) # download JSON with updates Write-Verbose "Downloading $( $script:startKB ) to retrieve the list of updates" $updates = Get-UpdateJson $script:startKB # Get list of all articles related to the requested build $articles = Find-KBArticleWithUpdate -source $updates -build $Build -verbose # Extract urls from the list of Article objects and select the latest one $kbId = Find-ArticleUri -article $articles | Sort-Object -Property Version -Descending | Select-Object -First 1 # Get the article's content Write-Verbose "Found article: KB$( $kbId.articleId ), $( $kbId.Uri )" $kbContent = Invoke-WebRequest -Uri $kbId.Uri # Get html element IDs of buttons labeled as 'Download' $elementIDs = $kbContent.InputFields | Where-Object { $_.Type -eq 'Button' -and $_.Value -eq 'Download' } | Select-Object -ExpandProperty ID # Get GUIDs of assets which match all patterns in $Filter argument $kbGUIDs = $kbContent.Links | Where-Object ID -match '_link' | Where-Object { $_.OuterHTML -match ($Filter -join '.*') } | ForEach-Object { $_.Id.Replace('_link','') } | Where-Object { $_ -in $elementIDs } # Get direct download links for all GUIDs of assets and $kbGUIDs | Find-AssetUri | Select-Object -Unique } |