--- title: "Prepare the disk image" slug: "prepare-the-disk-image" updated: 2025-04-16T12:00:25Z published: 2025-04-16T12:00:25Z canonical: "docs.grassfish.com/prepare-the-disk-image" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.grassfish.com/llms.txt > Use this file to discover all available pages before exploring further. # Prepare the disk image Before you can upload the player image to a player, you must copy it onto a USB stick. Then you can boot the hardware from the USB stick to install the image. You can prepare the disk image in the following operating systems: - [In Windows](/grassfish/docs/prepare-the-disk-image#prepare-disk-image-in-windows) - [Under Linux](/grassfish/docs/prepare-the-disk-image#prepare-disk-image-under-linux)

Prepare disk image in Windows

Note You need administrator rights to install Win32 Disk Imager. To prepare the disk image in Windows, perform the following steps: 1. Plug the USB stick into your Windows PC. 2. Unzip the installation package. 3. If you don’t have it installed, install the program **Win32 Disk Imager**. 4. Start **Win32 Disk Imager**. ![Ein Bild, das Text enthält. Automatisch generierte Beschreibung](https://cdn.document360.io/e2b87f73-d9f5-43cb-8182-2641762664fd/Images/Documentation/prepare-the-disk-image-image-banl92g5.png?sv=2026-02-06&spr=https&st=2026-11-06T20%3A21%3A39Z&se=2026-11-06T21%3A21%3A39Z&sr=c&sp=r&sig=%2FZ%2FxRQzM5W5s3fMtVln2z9FkQTvtLtZUeuGj%2BBwReHY%3D) 5. Under **Image File**, click on the folder icon. 6. Navigate to the image file in the installation package and select **Open**. 7. Under **Device**, select the drive where the USB stick is located and select **Write**. This copies the image to the USB stick. 8. To confirm the completion, click **OK**. 9. Click on **Exit**. 10. Eject the USB stick and remove it from the USB port. ## Prepare disk image under Linux To prepare the disk image under Linux, perform the following steps: 1. Plug the USB stick into your Linux PC. 2. Unzip the installation package. 3. Execute the following command to enable the USB stick: **sudo umount /dev/[Path to USB]** 4. Execute the following command to write the image onto the USB stick: **sudo dd if= /[Path to image.iso] of=/dev/sdg[Number of the partition] bs=4M && sync**