Proxmox Virtual Environment (Proxmox VE) is a powerful open-source virtualization platform used for servers, labs, and enterprise environments. Before installing Proxmox, you need a bootable USB installer.
This guide will show you how to create a Proxmox VE bootable USB installer step by step, even if you are new to server installation.

What You Need

Before starting, prepare the following:

• Proxmox VE ISO file

• USB flash drive (minimum 8 GB recommended)

• A Windows, Linux, or macOS computer

• USB creation tool (Rufus or Balena Etcher)

Download Proxmox VE ISO

1. Visit the official Proxmox website

2. Download the latest Proxmox VE ISO

3. Verify the checksum (optional but recommended)

Method 1: Create Proxmox Bootable USB Using Rufus (Windows)

1. Insert the USB flash drive into your computer

2. Open Rufus

3. Select:

   • Device: your USB drive

   • Boot selection: Proxmox VE ISO

   • Partition scheme: GPT (UEFI) or MBR (Legacy BIOS)

4. Click Start

5. Wait until the process completes

Method 2: Create Proxmox Bootable USB Using Balena Etcher (Windows, Linux, macOS)

1. Open Balena Etcher

2. Select the Proxmox VE ISO

3. Select the USB flash drive

4. Click Flash

5. Wait until flashing is finished

BIOS/UEFI Settings Before Installation

Before installing Proxmox:

• Enable Virtualization (Intel VT-x / AMD-V)

• Set USB as the first boot device

• Disable Secure Boot if necessary

Verify the Bootable USB

1. Insert the USB into the target server

2. Boot from USB

3. If the Proxmox installer menu appears, the USB is working correctly

Common Issues and Solutions

Conclusion

Creating a bootable USB installer for Proxmox VE is the first and most important step before installation. By following this guide, you can ensure a smooth and error-free Proxmox setup process.