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Make sure to back your important data up to an external location such as a cloud service or an external hard drive. Installing a new operating system may overwrite your existing data.
Step-by-step Guide
Follow the video above, or select the operating system you are currently using to view tailored installation instructions below.
Verify Your Download
Verifying your download is an important step: we generate a "checksum" for elementary OS images and recommend that you verify that your download matches that checksum before trying to install. This ensures that you've received the full, complete download and that it is not corrupted.
Assuming you downloaded elementary OS to your Windows Downloads folder, open the Command Prompt in Windows and run the following command:
It should produce the output:
If the checksum does not match, you may need to re-download your copy of elementary OS and ensure it completes downloading before re-verifying it.
Creating an Install Drive
To create an elementary OS install drive you'll need a USB flash drive that is at least 4 GB in capacity and an app called "Etcher".
Download Etcher
etcher steps
Open Etcher, then:
Plug in your spare USB flash drive
Select your downloaded .iso file using the "Select image" button
Etcher should automatically detect your USB drive; if not, select the correct drive
Click the "Flash!" button. It may take a moment to get started.
Once complete, continue to boot from the install drive.
Booting From the Install Drive
In order to start the installation process, you must boot your computer from the install drive.
Assuming that your computer is still on, start by inserting your install drive and restarting your computer.
Most computers will briefly allow you to change the boot order for this boot only by pressing a special key — usually <kbd>F12</kbd>, but sometimes <kbd>Esc</kbd> or another function key. Refer to the screen or your computer's documentation to be sure.
Press <kbd>F12</kbd> (or the appropriate key) and select the install drive—usually &quot;USB-HDD&quot; or something containing the word &quot;USB&quot;, but the wording may vary. If you choose the incorrect drive, your computer will likely continue to boot as normal. Just restart your computer and pick a different drive in that menu.
Shortly after selecting the appropriate boot drive, you should be presented with the elementary OS splash screen. You may now follow the on-screen instructions which will guide you through the rest of the process.
Assuming you downloaded elementary OS to your macOS Downloads folder, open the Terminal app in macOS and run the following command:
The following dialog may appear during the flashing process, it is safe to ignore.
Not readable warning
After you hear the chime, press and hold <kbd>Option</kbd>. Then, select the appropriate boot drive. Note that it may be incorrectly identified as &quot;Windows&quot;, but this is normal.


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