MEGA12 silent install & uninstall

Commands for installing MEGA12 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.

With winget

PowerShell

winget install --id iGEM.MEGA.12 -e --silent --accept-package-agreements --accept-source-agreements

winget upgrade --id iGEM.MEGA.12 -e --silent

winget uninstall --id iGEM.MEGA.12 -e --silent

By installer

64-bit · EXE (Inno Setup) · All users

Silent installMEGA_12.1.4_win64_setup.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-

Custom folderMEGA_12.1.4_win64_setup.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP- /DIR="C:\Apps\mega12"

Uninstall registry key: HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{6720E424-8CFF-4DDE-8017-FCB02059046B}_is1

32-bit · EXE (Inno Setup) · All users

Silent installMEGA_12.1.4_win32_setup.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-

Custom folderMEGA_12.1.4_win32_setup.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP- /DIR="C:\Apps\mega12"

Uninstall registry key: HKLM\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{E9EA993E-3FA6-4EED-8D5A-7795E6D35C34}_is1

PowerShell: download, verify, install

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

install-mega12.ps1

$url = 'https://www.megasoftware.net/releases/MEGA_12.1.4_win64_setup.exe'
$sha256 = 'F53251FB06578DA0D5EC14EFA3452F144B06460A35E0157483809194635C858A'
$file = Join-Path $env:TEMP 'MEGA_12.1.4_win64_setup.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 '/VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-' -Wait