# How to use PuTTY for SSH key-based authentication #### Secure Shell (SSH) **SSH**, or **Secure Shel**l, is a protocol to securely access and manage a computer or device over an unsecured network. It provides a secure channel in an otherwise insecure environment, ensuring confidentiality and integrity of data. ## Setup Putty for SSH key-based authentication {% embed url="" %} #### PuTTY: Secure SSH Connectivity for Windows **PuTTY** is a widely used, open-source GUI tool to facilitate secure **SSH** connections. It enables users to establish encrypted tunnels for safe communication between Windows computers and remote servers. ### **Download Putty** PuTTY can be downloaded [here](https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html). Follow these steps to install it: ### Use PuTTY for a basic connection **Navigate to Puttygen** click on the file
Choose the All Files option.
To **download**, please select your key.
After selecting the **SSH** key, you will see content similar to the following: Press ok :
Save Private key
Click yes
### Naming and Saving Your Folder Ensure your folder has a descriptive and precise name that reflects its contents. Follow these steps to save and name your folder properly: 1. **Right-click** in your desired directory. 2. Select **New > Folder** from the context menu. 3. Type the **folder name**. Use a name that talks about the folder's purpose or content. 4. Press **Enter** to save the folder with your chosen name. Remember, a well-named folder facilitates easier access and organization of your files.
To start using **PuTTY**: Enter your IP address and select **Authentication** > **Credentials**.
Open the browser select your key and click the open:-
```markdown Username: [Your Username] ```