Released in late 2024 with version 0.83, Putty v0.83 is the latest official release of the popular free and open-source terminal emulator, serial console, and network file transfer application from Simon Tatham, providing secure SSH, Telnet, Rlogin, and raw TCP connections with advanced session management and configuration options.
Key Highlights
- Enhanced Security – Updated cryptographic algorithms including support for newer SSH key types, improved countermeasures against vulnerabilities, and hardened defaults.
- SSH & Telnet Client – Full-featured SSHv2 client with public key authentication, port forwarding, agent forwarding, and legacy Telnet/Rlogin support.
- Session Management – Save unlimited sessions with custom settings, host keys, colors, fonts, and proxy configurations for quick reconnection.
- Serial & Raw Connections – Direct serial port access and raw TCP socket connections for embedded devices and console servers.
- File Transfer Tools – Bundled PSCP (SCP), PSFTP (SFTP), and Plink command-line tools for secure file transfers and remote command execution.
- Portable & Installer Options – No installation required in portable mode; single executable with all components included.
- Performance & Stability – Optimized 64-bit build, improved Windows 11 compatibility, high-DPI scaling, and bug fixes from previous releases.
System Requirements
- Windows 11 64-bit (or Windows 10 / 8 / 7)
- 4 GB RAM minimum (8 GB+ recommended)
- Integrated GPU sufficient
- Very low disk space requirements