Want to install an OS like Windows, Linux, or macOS from a USB? 🔌 A bootable USB makes it fast and easy. Here’s a step-by-step guide to create one using free tools — no tech skills required!
📥 Step 1: Download the OS ISO File
First, download the official ISO file of the OS you want:
- 🪟 Windows: Microsoft Download Page
- 🐧 Linux: Ubuntu, Linux Mint
- 🍎 macOS: Use the Mac App Store or create from Terminal (see below)
💽 Step 2: Choose the Right Tool
Use these tools to make your USB bootable:
- Windows: Rufus (lightweight and fast)
- macOS: Terminal + createinstallmedia (built-in tool)
- Cross-platform: BalenaEtcher (works on Windows, Linux, macOS)
🔧 Step 3: Format the USB Drive
- Use a USB drive with at least 8 GB (16 GB recommended)
- Backup important files—it will be erased
- Format the USB to FAT32 or exFAT before writing
🖥️ Step 4: Create Bootable USB
🔹 Windows (using Rufus):
- Open Rufus → Select your ISO and USB
- Choose GPT (for UEFI) or MBR (for legacy BIOS)
- Click Start → Wait for it to finish
🔹 macOS (using Terminal):
sudo /Applications/Install\ macOS\ Ventura.app/Contents/Resources/createinstallmedia \
--volume /Volumes/MyUSB
This will turn your USB into a macOS installer.
🔹 Linux (using BalenaEtcher):
- Open Etcher → Select ISO → Select USB
- Click Flash → Done!
🚀 Step 5: Boot from the USB
- Restart your PC or Mac
- Press the Boot Menu key (F12, Esc, F9, etc.)
- Select the USB device
- Follow installation steps for your OS
That’s it! 🎉 You’ve now created a universal bootable USB that works with Windows, Linux, or macOS. Great for OS installs, troubleshooting, or trying new systems!
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