Creating a macOS Sequoia bootable USB might seem like a niche task reserved for developers or IT professionals, but in reality, it’s a skill every Mac user—or even Windows users exploring macOS—should master. Imagine your Mac refusing to boot, a critical update failing mid-installation, or your curiosity pushing you to test-drive the latest macOS Sequoia on a secondary machine. In these moments, a bootable USB isn’t just handy—it’s a lifeline.
For Windows users, the challenge feels even steeper. Apple’s ecosystem is famously insular, and tools like Disk Utility or Terminal commands are macOS-exclusive. But what if you’re building a Hackintosh, reviving an old MacBook, or simply want a portable macOS installer without borrowing a friend’s Apple device? That’s where this guide bridges the gap.
At geekrar.com, we’ve spent years refining workarounds that bring Apple’s polish to non-Apple hardware. This tutorial leverages TransMac, a Windows-friendly tool that bypasses Apple’s restrictions, letting you craft a macOS Sequoia USB installer directly from your PC. Whether you’re troubleshooting, performing a clean install, or experimenting with beta builds, this guide ensures you’re prepared.
But why macOS Sequoia? Apple’s latest OS promises groundbreaking AI integration, enhanced privacy features, and performance optimizations for newer chipsets. Having a bootable copy means you’re ready to upgrade multiple devices, revert to a stable build if beta bugs strike, or repurpose older hardware. Let’s dive into the process—no Mac required!
If you are using a MAC, you can use this guide: Create macOS Sequoia Bootable USB for Clean Installation: 7 Easy Steps on MAC
Table of Contents
🔧 Essentials Checklist:
- 32GB+ USB drive
- Windows computer
- TransMac software
- macOS Sequoia .dmg file
- Command Prompt basics
🗺️ Create macOS Sequoia bootable USB on Windows: Guide Overview
🔹 Step 1: Install TransMac on Your Windows PC
- Navigate to TransMac’s official site using your browser.
- Download the trial version (typically named
tmsetup.zip
).

- Extract the ZIP file to your desktop and launch
setup.exe
. - Follow the installer prompts to complete setup.
🔹 Step 2: Acquire the macOS Sequoia Installer File
- Visit a trusted source (like geekrar.com’s macOS repository) to download the macOS Sequoia .dmg.
- Opt for direct download links (e.g., Mega.nz or Google Drive) for faster access.
- Save the file to an easily accessible folder, such as Downloads.

🔹 Step 3: Prep Your USB Drive via Command Prompt
- Plug your USB into the Windows PC.
- Open Command Prompt as Administrator (Right-click → Run as Admin).
- Execute these commands sequentially:
diskpart
list disk
select disk X (Replace X with your USB’s disk number)
clean
convert gpt
create partition primary

- Exit DiskPart and close CMD once formatting finishes.
🔹 Step 4: Write macOS Sequoia to the USB Using TransMac
- Launch TransMac with admin privileges (Right-click → Run as Administrator).
- Allow the trial period to start (wait ~10 seconds).
- From the left panel, right-click your USB drive and choose “Restore with Disk Image.”

- Browse to the macOS Sequoia .dmg file and confirm.
- Let TransMac write the data—this may take 20-60 minutes, depending on USB speed.
- Eject the USB safely once the process completes.

⚠️ Critical Boot Advice for macOS
- Version Conflict Alert: If your Mac already runs Sequoia, the USB might not appear in the boot menu. Always use a different macOS version (newer or older) for visibility.
🔹 Step 5: Install macOS Sequoia via the Bootable USB
- Insert the USB into your Mac.
- Apple Silicon (M1/M2): Hold the power button until “Startup Options” appears.
- Intel Macs: Restart and hold the Option (⌥) key immediately.
- Select the USB drive from the boot menu.
- Follow on-screen prompts to install or recover macOS.

🔍 Empowering Your Tech Journey with macOS Flexibility
Congratulations! You’ve just transformed an ordinary USB drive into a powerful macOS Sequoia installation tool—all from a Windows machine. This achievement isn’t just about following steps; it’s about unlocking a new level of technical independence. Whether you’re reviving a bricked Mac, setting up a dual-boot system, or exploring macOS on non-Apple hardware, this bootable USB is your passport to endless possibilities.
Why This Matters Beyond the Basics:
- Disaster Recovery: Say goodbye to panic when macOS updates fail. With this USB, you can reinstall the OS offline, even without recovery partitions.
- Beta Testing: Safely try macOS Sequoia’s cutting-edge features on a separate drive without risking your primary setup.
- Eco-Friendly Tech: Breathe new life into older Macs that Apple no longer supports, reducing e-waste and saving money.
A Few Pro Tips to Keep in Mind:
- Verify Your DMG File: Always checksum your macOS downloads (SHA-256 hashes are your friend) to avoid corrupted installers.
- Storage Strategy: Label your USB clearly and store it securely. Consider creating multiple bootable drives for different macOS versions.
- Stay Updated: Apple frequently patches security vulnerabilities. Revisit geekrar.com for updated DMG files and new methods as macOS evolves.
Creating a macOS bootable USB on Windows isn’t just a technical exercise—it’s a declaration of self-reliance in an increasingly walled-garden tech world. With this guide, you’ve proven that platform barriers are meant to be broken. Now, go forth and install, troubleshoot, or experiment with the confidence of a true geek.
Got stuck? Found a smarter workaround? Let’s hear it! Drop a comment below. Your insights might just inspire the next tutorial!