Putty Download: How to Use PuTTY for SSH and SFTP
If you need to connect to a remote server securely, you may want to use PuTTY, a free and open-source terminal emulator and network file transfer application. PuTTY supports several network protocols, such as SSH, Telnet, SCP, and SFTP, and can also connect to a serial port. In this article, we will show you how to download and install PuTTY on Windows, and how to use it for SSH and SFTP.
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What is PuTTY?
PuTTY is a popular SSH and Telnet client for Windows, developed originally by Simon Tatham. It allows you to establish a secure connection to another computer over a network using the SSH protocol. You can use PuTTY to access a Linux-based web server, run commands on a remote Unix system, or transfer files between computers.
PuTTY Features
PuTTY has many features that make it a reliable and versatile terminal emulator, such as:
User control over the SSH encryption key and protocol version, alternate ciphers, and public-key authentication.
Support for SSO through GSSAPI, including Active Directory single sign-on using Kerberos.
Support for X11 forwarding, which allows you to run graphical applications on a remote server.
Support for local, remote, or dynamic port forwarding with SSH, which enables you to tunnel other network connections through an encrypted channel.
Support for IPv6, the latest version of the Internet Protocol.
Support for Zlib compression, which can reduce the amount of data transferred over the network.
A graphical user interface (GUI) that allows you to save session profiles, change terminal settings, and customize the appearance of the window.
A command-line interface (CLI) that allows you to automate tasks using scripts or batch files.
A portable version that does not require installation and can be run from a USB stick or similar device.
PuTTY Alternatives
While PuTTY is one of the most widely used terminal emulators for Windows, it has some limitations. For example, it does not support session tabs, which can make it difficult to manage multiple connections. It also has an outdated GUI that may not appeal to some users. Fortunately, there are many alternatives to PuTTY that offer a more streamlined interface and a wider array of features. Some of the best alternatives are:
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Name
Description
Solar-PuTTY
A free software solution for Windows that supports SSH, Telnet, SCP, and SFTP. It has features such as automatic login and reconnect, post-connection scripts, backup or migration of saved sessions, and graphical SFTP file transfer.
Bitvise SSH Client
A free SSH and SFTP client for Windows that supports all features supported by PuTTY, as well as single-click remote desktop tunneling, auto-reconnecting capability, dynamic port forwarding through an integrated proxy, and an FTP-to-SFTP protocol bridge.
KiTTY
A fork of PuTTY that adds many extra features to the original software, such as a built-in chat system and text editor, support for login scripts and command automation, session filtering and auto-saving, and ZModem integration.
SuperPuTTY
A graphical user interface that allows you to launch multiple instances of PuTTY in tabs. It also supports SCP file transfers using PSCP.
MobaXtermA professional software solution for Windows that provides a full set of features for remote computing, such as SSH, Telnet, RDP, VNC, FTP, SFTP, SCP, and more. It also has a built-in X server, a multi-tab terminal, a session manager, and many plugins.
How to Download and Install PuTTY
If you want to use PuTTY on your Windows computer, you need to download and install it first. Here are the steps to do so:
Downloading PuTTY from the Official Website
The official website of PuTTY is From there, you can download the latest version of PuTTY for Windows. You can choose between the 32-bit and 64-bit versions, depending on your system architecture. You can also download the portable version of PuTTY, which does not require installation and can be run from any folder or removable drive.
The official website also provides the source code of PuTTY, as well as other related tools, such as PuTTYgen (a key generator), PSCP (an SCP client), PSFTP (an SFTP client), and Plink (a command-line interface to PuTTY).
Installing PuTTY on Windows
Once you have downloaded the installer file of PuTTY, you can run it to start the installation process. You will see a welcome screen that asks you to choose the language and the destination folder for PuTTY. You can also select which components of PuTTY you want to install, such as the documentation, the shortcuts, and the file associations.
After that, you can click on Install to begin the installation. The installer will copy the files to your chosen folder and create the shortcuts on your desktop and start menu. You can then click on Finish to complete the installation.
How to Use PuTTY for SSH and SFTP
Now that you have installed PuTTY on your Windows computer, you can use it to connect to a remote server using SSH or SFTP. Here are the steps to do so:
Making an SSH Connection with PuTTY
To make an SSH connection with PuTTY, you need to have the following information:
The hostname or IP address of the remote server.
The port number of the SSH service (usually 22).
The username and password of the remote user account.
The private key file if you are using public-key authentication.
Once you have this information, you can launch PuTTY and enter it in the configuration window. You can also save this configuration as a session profile for future use. Here are the steps to make an SSH connection with PuTTY:
Open PuTTY and select Session from the left panel.
In the Host Name (or IP address) field, enter the hostname or IP address of the remote server.
In the Port field, enter the port number of the SSH service (usually 22).
In the Connection type field, select SSH.
If you want to use public-key authentication, select Auth from the left panel and browse for your private key file in the Private key file for authentication field.
If you want to save this configuration as a session profile, enter a name in the Saved Sessions field and click on Save.
Click on Open to start the connection.
You will see a terminal window that asks you to enter your username and password. Enter them and press Enter.
You will see a prompt that indicates that you are connected to the remote server. You can now run commands on the remote system.
Using PSFTP to Transfer Files Securely with PuTTY
To transfer files securely with PuTTY, you can use PSFTP, which is an SFTP client that comes with PuTTY. PSFTP allows you to upload and download files from a remote server using an encrypted channel. To use PSFTP, you need to have the same information as for making an SSH connection with PuTTY. Here are the steps to use PSFTP:
Open a command prompt window and navigate to the folder where PSFTP is located (usually C:\Program Files\PuTTY).
Type psftp followed by the hostname or IP address of the remote server. For example: psftp example.com
You will see a prompt that asks you to enter your username and password. Enter them and press Enter.
You will see a prompt that indicates that you are connected to the remote server. You can now use PSFTP commands to transfer files. Some of the most common commands are:
Command
Description
ls
List the files and folders in the current remote directory.
cd
Change the current remote directory.
lcd
Change the current local directory.
get
Download a file from the remote server to the local computer.
put
Upload a file from the local computer to the remote server.
mget
Download multiple files from the remote server to the local computer.
mput
Upload multiple files from the local computer to the remote server.
quit
Close the connection and exit PSFTP.
For example, to download a file named test.txt from the remote server to the local computer, you can use the following command:
get test.txt
To upload a file named test.txt from the local computer to the remote server, you can use the following command:
put test.txt
Conclusion
PuTTY is a powerful and versatile tool that allows you to connect to a remote server securely using SSH or SFTP. You can use PuTTY to access a Linux-based web server, run commands on a remote Unix system, or transfer files between computers. You can also use PuTTY alternatives that offer more features and a better interface. In this article, we have shown you how to download and install PuTTY on Windows, and how to use it for SSH and SFTP. We hope you have found this article helpful and informative.
FAQ
What is SSH?
SSH stands for Secure Shell, which is a network protocol that provides a secure and encrypted way of communicating with another computer over a network. SSH can be used for remote login, command execution, file transfer, port forwarding, and more.
What is SFTP?
SFTP stands for Secure File Transfer Protocol, which is a network protocol that provides a secure and encrypted way of transferring files between computers over a network. SFTP is based on SSH and uses the same authentication and encryption methods.
How do I generate an SSH key pair?
An SSH key pair consists of a public key and a private key that are used for public-key authentication. To generate an SSH key pair, you can use PuTTYgen, which is a key generator tool that comes with PuTTY. Here are the steps to generate an SSH key pair with PuTTYgen:
Open PuTTYgen and select SSH-2 RSA as the type of key to generate.
Click on Generate and move your mouse randomly over the blank area to create some randomness.
You will see your public key in the text box. You can copy it or save it as a file.
You can also enter a passphrase to protect your private key. This is optional but recommended for security reasons.
You will see your private key in the text box below. You can save it as a file by clicking on Save private key.
You can now use your SSH key pair for public-key authentication with PuTTY or other SSH clients.
How do I change the font size or color of PuTTY?
To change the font size or color of PuTTY, you can use the settings in the configuration window. Here are the steps to change the font size or color of PuTTY:
Open PuTTY and select Window from the left panel.
In the Appearance section, click on Change next to Font settings.
You will see a dialog box that allows you to choose the font name, style, size, and script for PuTTY.
Select your preferred font settings and click on OK.
In the Colours section, you can choose the colors for different elements of PuTTY, such as foreground, background, cursor, selection, etc.
Select your preferred color settings and click on Apply or OK.
You will see your changes reflected in PuTTY's window.
How do I copy and paste text in PuTTY?
To copy and paste text in PuTTY, you can use the mouse and the keyboard shortcuts. Here are the steps to copy and paste text in PuTTY:
To copy text from PuTTY to the clipboard, select the text with your mouse. The text will be automatically copied to the clipboard.
To paste text from the clipboard to PuTTY, right-click on the PuTTY window. The text will be pasted at the cursor position.
To copy and paste text within PuTTY, select the text with your mouse and press Ctrl+Insert to copy it. Then, move the cursor to the desired location and press Shift+Insert to paste it.
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