How to Install OS on Mac with USB
Installing a new operating system on your Mac can be a daunting task, especially if you’re not familiar with the process. However, with the right tools and instructions, you can easily install a new OS on your Mac using a USB drive. In this article, we’ll guide you through the steps to install OS on Mac with USB, ensuring a smooth and hassle-free experience.
Step 1: Gather the Necessary Materials
Before you begin, make sure you have the following materials:
– A USB drive with at least 8GB of storage space
– A Mac computer running an older version of macOS (e.g., macOS High Sierra or earlier)
– A compatible Mac model (most Macs released before 2012 should work)
– The desired macOS installer file (you can download it from the Apple website)
Step 2: Format the USB Drive
1. Connect the USB drive to your Mac.
2. Open Disk Utility from the Applications > Utilities folder.
3. Select the USB drive from the list of devices on the left side.
4. Click the “Erase” button.
5. Choose “Mac OS Extended (Journaled)” as the format and “APFS (Encrypted)” as the scheme.
6. Click “Erase” to format the USB drive.
Step 3: Create a Bootable Installer
1. Download the desired macOS installer file from the Apple website.
2. Open the downloaded file and double-click on the “Install macOS” app to launch it.
3. Click on “Continue” and then “Agree” to the terms and conditions.
4. Connect the formatted USB drive to your Mac.
5. In the “Select a destination” window, click on the USB drive and then click “Continue.”
6. Follow the on-screen instructions to install the macOS installer on the USB drive.
Step 4: Install the New OS on Your Mac
1. Restart your Mac and hold down the Option (Alt) key while it boots up.
2. Select the USB drive from the list of startup disks and press Enter.
3. Once the macOS installer loads, click on “Continue” and then “Agree” to the terms and conditions.
4. Follow the on-screen instructions to install the new OS on your Mac.
5. After the installation is complete, restart your Mac, and it should boot into the new operating system.
Step 5: Update Your Mac
Once you have successfully installed the new OS on your Mac, it’s a good idea to update your system to ensure you have the latest features and security patches. Open the Apple menu, click on “System Preferences,” and then go to “Software Update” to check for and install any available updates.
By following these steps, you should be able to install a new OS on your Mac using a USB drive. Remember to back up your important data before starting the installation process to avoid any potential data loss. Happy installing!
