Download IM3270

Version 0.44.2 - Latest Release

60-Day Free Trial

Free Trial Information

IM3270 includes a 60-day free trial with full functionality. No credit card required.

Purchase a License

After your 60-day trial, unlock Pro features with a license

Free License

$0

60 days

  • Single user
  • Core features
  • No credit card required
Download

Personal License

$19

One-time payment

  • Single user
  • All Pro features
  • Perpetual license
  • 2 years email support

Or scan QR code:

Scan to pay $19 for IM3270 Personal License via PayPal

Team License

$79

One-time payment

  • Up to 10 users
  • All Pro features
  • Perpetual license
  • 2 years priority support

Or scan QR code:

Scan to pay $79 for IM3270 Team License via PayPal

Secure payment via PayPal. License key delivered instantly via email.

Choose Your Platform

🪟 Windows 🐧 Linux 🍎 macOS 💻 WSL2 ⚡ Scripts

Windows

Windows 10 / 11 (64-bit)

Windows Installer

Recommended

Download

~113 MB

Windows Portable

No install needed

Download

~113 MB

Prerequisite: wc3270 must be installed and in PATH.

Linux

Fedora, RHEL, Alma, Ubuntu, Debian

DEB Package

Ubuntu / Debian

Download

~90 MB

RPM Package

Fedora / RHEL / Alma

Download

~90 MB

Linux Archive

Universal tar.gz

Download

~134 MB

Install with your package manager:

# Debian / Ubuntu:
sudo dpkg -i im3270_0.44.2_amd64.deb
sudo apt-get install -f    # install dependencies if needed

# Fedora / RHEL / AlmaLinux:
sudo dnf install im3270-0.44.2.x86_64.rpm

Prerequisite: s3270 4.x is required. Distro packages install outdated v3.x — build from source:

wget https://x3270.bgp.nu/download/04.04/suite3270-4.4ga6-src.tgz
tar xzf suite3270-4.4ga6-src.tgz && cd suite3270-4.4
./configure --enable-s3270 --disable-tcl3270 && make s3270 && sudo make install.s3270

Verify Your Download

Optional: confirm file integrity and authenticity

Every release includes SHA256 checksums and a GPG signature. Download SHA256SUMS from the release page alongside your installer.

Verify checksum (Linux/macOS):

sha256sum -c SHA256SUMS

Verify GPG signature (optional):

gpg --import im3270-release.asc
gpg --verify SHA256SUMS.asc SHA256SUMS

See the Security page for the public key and full verification walkthrough.

macOS COMING SOON

Intel and Apple Silicon (M1/M2/M3/M4)
🍎🔧💻

Teaching the mainframe to speak Apple...
Check back soon!

When available, you'll need: x3270 via Homebrew: brew install x3270

WSL2

Windows Subsystem for Linux

IM3270 works great in WSL2 with GUI support. Use the Linux tar.gz package.

View WSL2 Installation Guide →

Quick Installation Scripts

Fedora / RHEL:

curl -fsSL https://raw.githubusercontent.com/stcarmi/im3270-releases/main/scripts/install-fedora.sh | bash

Ubuntu / Debian:

curl -fsSL https://raw.githubusercontent.com/stcarmi/im3270-releases/main/scripts/install-ubuntu.sh | bash

Windows (PowerShell as Admin):

irm https://raw.githubusercontent.com/stcarmi/im3270-releases/main/scripts/install-windows.ps1 | iex

System Requirements

Windows

  • Windows 10+ (64-bit)
  • wc3270 in PATH
  • 4 GB RAM minimum

Linux

  • 64-bit Linux
  • s3270 4.x (build from source)
  • 4 GB RAM minimum

macOS

  • macOS 11+ (Big Sur or later)
  • x3270 via Homebrew
  • 4 GB RAM minimum