Commands for installing fluent-bit 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 Chronosphere.FluentBit -e --silent --accept-package-agreements --accept-source-agreementswinget upgrade --id Chronosphere.FluentBit -e --silentwinget uninstall --id Chronosphere.FluentBit -e --silentBy installer
64-bit · EXE (NSIS) · All users
Silent install
fluent-bit-5.1.5-win64.exe /SCustom folder
fluent-bit-5.1.5-win64.exe /S /D=C:\Apps\fluent-bit- Uninstall registry key
- HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\fluent-bit
64-bit · ZIP
No installation needed (portable)
ARM64 · EXE (NSIS) · All users
Silent install
fluent-bit-5.1.5-winarm64.exe /SCustom folder
fluent-bit-5.1.5-winarm64.exe /S /D=C:\Apps\fluent-bit- Uninstall registry key
- HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\fluent-bit
ARM64 · ZIP
No installation needed (portable)
32-bit · EXE (NSIS) · All users
Silent install
fluent-bit-5.1.5-win32.exe /SCustom folder
fluent-bit-5.1.5-win32.exe /S /D=C:\Apps\fluent-bit- Uninstall registry key
- HKLM\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\fluent-bit
32-bit · ZIP
No installation needed (portable)
PowerShell: download, verify, install
Downloads the official file, checks its SHA256 and installs it silently.
install-fluent-bit.ps1
$url = 'https://packages.fluentbit.io/windows/fluent-bit-5.1.5-win64.exe'
$sha256 = 'CCE1D2F5A340E42072C3873157A60FCD853431F25DA4430A6713B99F7B2C2272'
$file = Join-Path $env:TEMP 'fluent-bit-5.1.5-win64.exe'
Invoke-WebRequest -Uri $url -OutFile $file -UseBasicParsing
if ((Get-FileHash $file -Algorithm SHA256).Hash -ne $sha256) { throw 'SHA256 mismatch' }
Start-Process -FilePath $file -ArgumentList '/S' -Wait install-fluent-bit.ps1
$url = 'https://packages.fluentbit.io/windows/fluent-bit-5.1.5-winarm64.exe'
$sha256 = 'DE4810425BDC465F7E89F20D9072BE0C6DB30C539444108C0ED7CF997B8BDDD4'
$file = Join-Path $env:TEMP 'fluent-bit-5.1.5-winarm64.exe'
Invoke-WebRequest -Uri $url -OutFile $file -UseBasicParsing
if ((Get-FileHash $file -Algorithm SHA256).Hash -ne $sha256) { throw 'SHA256 mismatch' }
Start-Process -FilePath $file -ArgumentList '/S' -Wait install-fluent-bit.ps1
$url = 'https://packages.fluentbit.io/windows/fluent-bit-5.1.5-win32.exe'
$sha256 = 'B7F192E788776242E53C8C284B93A8653495660ABA96A29134BE5C7F9C21F3A7'
$file = Join-Path $env:TEMP 'fluent-bit-5.1.5-win32.exe'
Invoke-WebRequest -Uri $url -OutFile $file -UseBasicParsing
if ((Get-FileHash $file -Algorithm SHA256).Hash -ne $sha256) { throw 'SHA256 mismatch' }
Start-Process -FilePath $file -ArgumentList '/S' -Wait 
