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zip format, you’ll need to unzip it first. The file will open and run automatically.

How do I run PuTTY without installing it?Īll you need to do is download the Putty.exe file for the version of Windows you’re using, and run the file by clicking on it (or double-clicking on it). Unfortunately, though, hackers and those with malicious intent can trick people into downloading a malware version to steal data or infect their computer with viruses. The official program is safe to use, and because it’s an executable file (.exe), it doesn’t need to be installed to work.

You'll want to make sure to only download PuTTY Portable from a legitimate website. This means any files and login information are also encrypted. By connecting to the target machine with an SSH client like PuTTY Portable, your connection is secure and encrypted. Due to network security becoming a major concern, it’s strongly advisable to use an encrypted protocol when possible. The SSH protocol was initially developed to be an encrypted replacement for RSH. PuTTY also lets you transfer files securely.

This can be useful when the IT team sits far away from the target computer, such as on another floor or even in another city. The most common reason is that it lets IT Administrators take full control of the machine and use it remotely. There are many reasons why IT professionals and regular computer users take advantage of PuTTY Portable. This means you can remotely connect to computers located elsewhere and input commands into its console as if you were sitting next to it.