> ## Documentation Index > Fetch the complete documentation index at: https://gcore.com/docs/llms.txt > Use this file to discover all available pages before exploring further. # Convert an SSH key to PPK format If you generated your SSH keys via PuTTYgen or in the Gcore Customer Portal and want to use PuTTY to connect to a Gcore Virtual Machine, you need to convert the keys to a .ppk format. To do this, you can use PuTTYgen: 1\. Make sure that [PuTTY](https://putty.org) is installed on your device. 2\. Launch the PuTTYgen app. 3\. Click **Load**. Then, find the file with the key that you want to convert. Puttygen app with the Load button highlighted **Info** By default, Windows will display only .ppk files. To view all file types, click **All files** in the "Open file" dialog. 4\. PuTTYgen will prompt you to confirm that you want to import the key. Click **OK**. Puttygen confirmation that the key has been imported 5\. Select a converted key by clicking either **Save private key** or **Save public key**. Puttygen app with the Save public key and Save private key buttons highlighted 6\. Save the key on your device for future use.