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This is a prerelease version of Microsoft .NET Framework 4.8.

Microsoft .NET Framework 4.8

4.8.0.0-preview8

This package skips automatic verification:

Dependency requires reboot


This package was approved as a trusted package on 2/21/2019.

The .NET Framework is a development platform for building apps for web, Windows, Windows Phone, Windows Server, and Microsoft Azure. It consists of the common language runtime (CLR) and the .NET Framework class library, which includes a broad range of functionality and support for many industry standards.

The .NET Framework provides many services, including memory management, type and memory safety, security, networking, and application deployment. It provides easy-to-use data structures and APIs that abstract the lower-level Windows operating system. You can use a variety of programming languages with the .NET Framework, including C#, F#, and Visual Basic.

.NET Framework 4.8 is the next version of the .NET Framework. This is one of the in-development builds of the next version of the .NET Framework. The changes in this build have been functionally validated by the .NET teams. This build is not supported for production use. The current Early Access build number being shared is 3745.

This pre-release build 3745 includes improvements in several areas. This includes accessibility improvements in Winforms and WPF areas as well. You can see the complete list of improvements in this build in the release notes.

The .NET Framework build 3745 will replace any existing .NET Framework 4 and later installation on your machine. This means all .NET Framework 4 and later applications on your machine will run on the .NET Framework early access builds upon installation. The set of supported OS platforms for this build now matches the same set of OS platforms supported for .NET 4.7.2 (with Windows 10, version 1809 and Windows Server 2019 being new additions.

Supported Windows Client versions: Windows 10 version 1809, Windows 10 version 1803, Windows 10 version 1709, Windows 10 version 1703, Windows 10 version 1607, Windows 8.1, Windows 7 SP1

Supported Windows Server versions: Windows Server 2019, Windows Server version 1803, Windows Server version 1709, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012, Windows Server 2008 R2 SP1

The matching Developer Pack can be installed using this package.

To install Microsoft .NET Framework 4.8, run the following command from the command line or from PowerShell:

C:\> choco install dotnetfx --pre

To upgrade Microsoft .NET Framework 4.8, run the following command from the command line or from PowerShell:

C:\> choco upgrade dotnetfx --pre

Files

Hide
  • tools\ChocolateyInstall.ps1 Show
    . (Join-Path -Path (Split-Path -Parent -Path $MyInvocation.MyCommand.Definition) -ChildPath 'helpers.ps1')
    
    $packageName = 'dotnetfx'
    $release = 528033
    $version = '4.8'
    $productNameWithVersion = "Microsoft .NET Framework $version early access build 3745"
    $url = 'https://download.visualstudio.microsoft.com/download/pr/9854b5f2-2341-4136-ad7d-1d881ab8d603/a59983c9bf08c7ae7200f356c9a604c1/NDP48-Preview-x86-x64-AllOS-ENU.exe'
    $checksum = 'D1C399178BF9733BC56C223F212512879E6ECDD6C647F25A1589C86C05591281'
    $checksumType = 'sha256'
    
    if (Test-Installed -Release $release) {
        Write-Host "$productNameWithVersion or later is already installed."
        return
    }
    
    $originalFileName = Split-Path -Leaf -Path ([uri]$url).LocalPath
    $downloadFilePath = Get-DefaultChocolateyLocalFilePath -OriginalFileName $originalFileName
    $downloadArguments = @{
        packageName = $packageName
        fileFullPath = $downloadFilePath
        url = $url
        checksum = $checksum
        checksumType = $checksumType
        url64 = $url
        checksum64 = $checksum
        checksumType64 = $checksumType
    }
    
    Get-ChocolateyWebFile @downloadArguments | Out-Null
    
    $safeLogPath = Get-SafeLogPath
    $installerExeArguments = @{
        packageName = $packageName
        file = $downloadFilePath
        silentArgs = ('/Quiet /NoRestart /Log "{0}\{1}_{2}_{3:yyyyMMddHHmmss}.log"' -f $safeLogPath, $packageName, $version, (Get-Date))
        validExitCodes = @(
            0, # success
            3010 # success, restart required
        )
    }
    
    Invoke-CommandWithTempPath -TempPath $safeLogPath -ScriptBlock { Install-ChocolateyInstallPackage @installerExeArguments }
    
    if ($Env:ChocolateyExitCode -eq '3010')
    {
        Write-Warning "A restart is required to finalize $productNameWithVersion installation."
    }
    else
    {
        if ($Env:ChocolateyExitCode -eq $null)
        { 
            Write-Host "A restart may be required to finalize $productNameWithVersion installation."
        }
    }
    
  • tools\helpers.ps1 Show
    $scriptDirectory = Split-Path -Parent -Path $MyInvocation.MyCommand.Definition
    
    function Get-SafeLogPath
    {
        $logPath = $Env:TEMP
        if ($logPath -like '\\*')
        {
            # .NET installer does not like logging to a network share (https://github.com/jberezanski/ChocolateyPackages/issues/15)
            $candidates = @("$Env:LOCALAPPDATA\Temp\chocolatey", "$Env:LOCALAPPDATA\Temp", "$Env:USERPROFILE\AppData\Local\Temp\chocolatey", "$Env:USERPROFILE\AppData\Local\Temp", "$Env:SystemRoot\TEMP", $scriptDirectory)
            foreach ($candidate in $candidates)
            {
                if ((Test-Path -Path $candidate) -and $candidate -notlike '\\*')
                {
                    Write-Verbose "Using '$candidate' as log path because `$Env:TEMP points to a network share, which may cause the installation to fail"
                    $logPath = $candidate
                    break
                }
            }
        }
    
        return $logPath
    }
    
    function Test-Installed($Release)
    {
        $props = Get-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full' -Name Release -ErrorAction SilentlyContinue
        return $props -ne $null -and $props.Release -ge $Release
    }
    
    function Get-DefaultChocolateyLocalFilePath
    {
        [CmdletBinding()]
        Param
        (
            [Parameter(Mandatory = $true)] [string] $OriginalFileName
        )
    
        # adapted from Install-ChocolateyPackage 0.10.8
        $chocTempDir = $env:TEMP
        $tempDir = Join-Path $chocTempDir "$($env:chocolateyPackageName)"
        if ($env:chocolateyPackageVersion -ne $null) { $tempDir = Join-Path $tempDir "$($env:chocolateyPackageVersion)"; }
        $tempDir = $tempDir -replace '\\chocolatey\\chocolatey\\', '\chocolatey\'
        if (![System.IO.Directory]::Exists($tempDir)) { [System.IO.Directory]::CreateDirectory($tempDir) | Out-Null }
        $downloadFilePath = Join-Path $tempDir $OriginalFileName
        Write-Debug "Local file path: $downloadFilePath"
        return $downloadFilePath
    }
    
    function Invoke-CommandWithTempPath
    {
        [CmdletBinding()]
        Param
        (
            [Parameter(Mandatory = $true)] [string] $TempPath,
            [Parameter(Mandatory = $true)] [scriptblock] $ScriptBlock
        )
    
        $oldTemp = $Env:TEMP
        if ($Env:TEMP -ne $TempPath)
        {
            Write-Debug "Changing `$Env:TEMP from '$oldTemp' to '$TempPath'"
            $Env:TEMP = $TempPath
        }
    
        try
        {
            & $ScriptBlock
        }
        finally
        {
            if ($Env:TEMP -ne $oldTemp)
            {
                Write-Debug "Changing `$Env:TEMP back to '$oldTemp'"
                $Env:TEMP = $oldTemp
            }
        }
    }
    

Virus Scan Results

In cases where actual malware is found, the packages are subject to removal. Software sometimes has false positives. Moderators do not necessarily validate the safety of the underlying software, only that a package retrieves software from the official distribution point and/or validate embedded software against official distribution point (where distribution rights allow redistribution).

Chocolatey Pro provides runtime protection from possible malware.

Dependencies

Package Maintainer(s)

Software Author(s)

  • Microsoft

Tags

Release Notes

Software

.NET Framework 4.8 build 3745 announcement
.NET Framework 4.8 build 3745 release notes
.NET Framework 4.8 build 3745 changes

Package

4.8.0.0-preview8: Initial package release for early access build 3745.

Version History

Version Downloads Last updated Status
Microsoft .NET Framework 4.8 4.8.0.0-preview8 154 Thursday, February 21, 2019 approved
Microsoft .NET Framework 4.8 4.8.0.0-preview6 88 Saturday, January 5, 2019 approved
Microsoft .NET Framework 4.8 4.8.0.0-preview3 133 Sunday, October 7, 2018 approved
Microsoft .NET Framework 4.8.0 4.8.0.0-preview1 199 Saturday, June 30, 2018 approved
Microsoft .NET Framework 4.7.2 4.7.2.0-preview1 152 Saturday, February 17, 2018 exempted
Microsoft .NET Framework 4.7.1 4.7.1.20180317 13769 Saturday, March 17, 2018 approved
Microsoft .NET Framework 4.7.1 4.7.1.0 1538 Friday, February 16, 2018 approved
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Discussion for the Microsoft .NET Framework 4.8 Package

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  • Tell us what you love about the package or Microsoft .NET Framework 4.8, or tell us what needs improvement.
  • Share your experiences with the package, or extra configuration or gotchas that you've found.
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