> ## 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. # Install a Linux OS from your ISO image You can install an OS on your VPS for free. Exception: Windows. You can only buy Windows while ordering a server. 1\. Power down the virtual machine. Power down the virtual machine 2\. Go to "Disks". Disks 3\. Click **ISO**. ISO 4\. For the **Image name** menu, select your ISO. For the **Boot priority**, select **To the beginning** and click **OK.** Image 5\. Make sure the disk image has appeared on the **Virtual disks** list. Virtual disks 6\. Restart your VM. Restart your VM 7\. Click **VNC**. VNC You'll see the boot menu of your ISO.