---
title: "Terminal36T: Free SSH and SFTP Client for Windows"
description: "Terminal36T is a free SSH, SFTP, telnet and serial client for Windows 10 and 11: features, install steps, host-key checks, tunnels and the SmartScreen notice."
keywords: "Terminal36T, SSH client for Windows, SFTP client, PuTTY alternative, serial console, telnet client"
---

# Terminal36T: SSH, SFTP, telnet and serial client for Windows

Knowledge base · ERP36T by Innovation36T Technologies
Source: the live English page https://i36t.com/terminal/, 14 September 2026 (version 0.1.0)

Terminal36T is a free product built in-house by Innovation36T. Its page describes it as having "PuTTY's settings depth and its habit of never guessing — with a modern interface, a real session inventory, and file transfer on the connection you already have open."

## At a glance

| | |
|---|---|
| Price | Free. No account, no trial, no upsell. |
| Platforms | Windows 10 and 11, 64-bit, available now. macOS and Linux are coming in a future release. |
| Current version | 0.1.0 |
| Installer (per user) | https://i36t.com/terminal/downloads/Terminal36T_0.1.0_x64-setup.exe |
| MSI (for IT deployment) | https://i36t.com/terminal/downloads/Terminal36T_0.1.0_x64_en-US.msi |
| Themes | Light mode and dark mode |
| Support | info@i36T.com |

## What you get

- **SSH, telnet, serial and local shells.** SSH-2 with full PTY support, telnet, raw sockets, serial consoles, and local cmd, PowerShell, WSL and Git Bash tabs in the same window.
- **Every way of logging in:**
  - passwords and private keys
  - Pageant and the Windows OpenSSH agent
  - keyboard-interactive
  - OpenSSH certificates and FIDO2 security keys
  - OpenSSH and PuTTY .ppk keys are recognised by content, so a renamed key still works
- **Built-in SFTP.** A dual-pane file browser on the session that is already connected, with no second login. Drag files either way, with a transfer queue, and interrupted transfers resume where they stopped.
- **Session inventory that inherits.** Nested groups pass settings down the tree. For example, a group of production machines can share one cipher list, one keepalive and a red tab colour. It imports from `~/.ssh/config` and from PuTTY.
- **94 settings, all of them real.** PuTTY's full category tree with a search box, and a badge on every value showing where it came from (default, global, group or host). Click the badge to reset it.
- **Host keys checked properly.** The fingerprint is shown before any password prompt, and a changed key gets a deliberately different dialog. Saved credentials live in an AES-256-GCM vault behind Argon2id.
- **Tunnels and jump hosts:**
  - local, remote and dynamic SOCKS5 forwarding
  - SOCKS and HTTP proxies
  - X11 forwarding
  - jump-host chains where each hop is tunnelled, so the target's key is verified on your machine and no bastion holds its credentials
- **Split panes and broadcast.** Tile any number of sessions. Broadcast sends typing to every tile, says so loudly while it is on, and switches itself off when you leave the split.
- **Snippets, logging and replay.** Saved commands with `{placeholders}`, transcript logging, and recording with timing for playback.

## How to use it

1. **Install it.** Run `Terminal36T_0.1.0_x64-setup.exe`.
   - It installs for your user account only, so it never asks for an administrator password.
   - If Microsoft Edge WebView2 is missing, the installer fetches and installs it silently.
2. **Connect to something.**
   - Type `user@host` into the box at the top and press Enter. Put a port after a colon, e.g. `root@10.0.0.5:2222`.
   - To save a host, use Sessions → New session.
   - To import hosts, use Sessions → ⋯ → Import ~/.ssh/config or Import PuTTY sessions. Both are safe to run twice; hosts already known are skipped.
3. **Check the fingerprint.** On a first connection the server's fingerprint is shown before anything asks for a password.
   - "Accept and remember" writes it to `%USERPROFILE%\.ssh\known_hosts`.
   - If the key ever changes, the dialog comes back in red.
4. **Choose how you log in.** Password, key file (OpenSSH or .ppk), agent, or keyboard-interactive, set in the host dialog.
   - Pageant and the Windows OpenSSH agent are found automatically.
   - Security keys work through an agent: load the credential with ssh-add or Pageant, then set the host to Agent.
5. **Move files.** Files in the sidebar opens the dual-pane SFTP browser. Transfers queue, show progress and resume.
6. **Make it yours.** The gear icon opens the settings tree.
   - Settings apply at the level you opened them from: the gear for global defaults, or right-click a group or host.
   - Every value shows its source, and one click resets it to inherit.

## "Windows protected your PC"

This message is expected. Windows shows it for any installer that has not been signed with a paid code-signing certificate; it says nothing about what the file does. Click **More info**, then **Run anyway**. A signing certificate is on its way, and the notice will go with it.

**To verify the download first:** the SHA-256 of `Terminal36T_0.1.0_x64-setup.exe` is
`70daf5ddf93b24c4861412c6049277688522a15cbba539fa4609ae37635ca1be`.
Check it in PowerShell with:
`Get-FileHash .\Terminal36T_0.1.0_x64-setup.exe -Algorithm SHA256`

When a new version is released, the version number, download links and checksum on https://i36t.com/terminal/ replace the ones above.