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fend silent install & uninstall

Arbitrary-precision unit-aware calculator

printfn Science & maths #22 Science & maths

Commands for installing fend without prompts, removing it again and detecting it from deployment tools. A command is shown only when it is certain: from the manifest or the installer technology’s documented default.

Related guide: Silent install switches: MSI, NSIS, Inno Setup · Uninstall a program with the registry or PowerShell

With winget

PowerShell
winget install --id printfn.fend -e --silent --accept-package-agreements --accept-source-agreements
winget upgrade --id printfn.fend -e --silent
winget uninstall --id printfn.fend -e --silent

By installer

64-bit · MSI · All users · en-US

Silent installmsiexec /i fend-1.5.9-windows-x64.msi /qn /norestart
Write a logmsiexec /i fend-1.5.9-windows-x64.msi /qn /norestart /l*v "%TEMP%\fend-install.log"
Uninstallmsiexec /x {8322E394-7072-446E-86F1-3884A0F0BDE1} /qn /norestart
MSI product code
{8322E394-7072-446E-86F1-3884A0F0BDE1}
Uninstall registry key
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{8322E394-7072-446E-86F1-3884A0F0BDE1}
UpgradeCode
{2E3C8164-E07C-4B26-82B2-C5613FE8AD8F}
Install folder
%ProgramFiles%\.\fend\bin

64-bit · ZIP

No installation needed (portable)

PowerShell: download, verify, install

Downloads the official file, checks its SHA256 and installs it silently.

install-fend.ps1
$url = 'https://github.com/printfn/fend/releases/download/v1.5.9/fend-1.5.9-windows-x64.msi'
$sha256 = '4398186A6CB601FD0C1E3162C6AE5B6C063975020A391ED927E0059CFD510096'
$file = Join-Path $env:TEMP 'fend-1.5.9-windows-x64.msi'
Invoke-WebRequest -Uri $url -OutFile $file -UseBasicParsing
if ((Get-FileHash $file -Algorithm SHA256).Hash -ne $sha256) { throw 'SHA256 mismatch' }
Start-Process msiexec.exe -ArgumentList '/i', ('"{0}"' -f $file), '/qn', '/norestart' -Wait

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