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Pre-installation

Before starting to install CatOS, some preparations need to be done.

System Requirements​

In order to ensure a smooth system installation, please first confirm that your computer meets the following configuration requirements:

Notice

CatOS currently only supports x86 architecture processors and does not support ARM, LoongArch and other architectures. If you don't understand this sentence, please ignore it.

Minimum Requirements​

The minimum requirements for installing CatOS are as follows:

CPU: 1GHz
RAM: 2G
Storage: 20G

For a better user experience, it is best for the recommended system to achieve the following configuration:

CPU: Dual-core 2GHz
RAM: 4G
Storage: 50G SSDs are recommended

Get system image​

Download the CatOS system installation image:Download link

Create USB boot disk​

Notice

If you plan to install CatOS into a virtual machine, you can skip this step.

Before installing the system to a physical disk, you need to create a USB boot disk. Please prepare a U disk with a capacity of at least 4GB. It is recommended to use a USB 3.0 interface U disk with a capacity of at least 8GB. Depending on the operating system you are currently using, the steps to create a system boot disk are as follows:

WARNING

Creating a USB boot disk will format the USB flash drive and all data on the USB flash drive will be erased. Please make a data backup.

Windows​

If you are currently using a Windows operating system, it is recommended to use Rufus to create a system boot disk. Please follow the steps below:

HINT

In addition to Rufus, you can also choose tools such asBalena Etcher，Ventoyetc. to create a USB boot disk.

1.Insert the USB flash drive into the computer;

2.Download Rufus and install it, or use Rufus portable version directly

3.Open Rufus and select the USB disk you just inserted in the " Device " option.

4.Click " Select " in " Boot Type Selection " and select the CatOS installation image downloaded in the previous step.

5.Keep other options as default and click " Start "

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6.When the prompt box pops up, click " OK " to continue.

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7.Wait a moment for Rufus to complete burning, and click " Close " when completed.

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Linux​

If you are currently using a Linux operating system, it is recommended to use isoimagewriter (iso image file writer) to create a system startup disk. Please follow the steps below:

HINT

In addition to isoimagewriter, you can also choose tools such asBalena Etcher，Ventoyetc. to create a USB boot disk, or use other methods such as the command line tool dd

1.Insert the USB flash drive into the computer;

2.Download isoimagewriter

Or install isoimagewriter using the package manager:

Arch Linux:

sudo pacman -S isoimagewriter

Ubuntu:

sudo apt install isoimagewriter

Fedora:

sudo dnf install isoimagewriter

CentOS:

sudo yum install isoimagewriter

3.Open isoimagewriter and select the USB disk you just inserted in the " To this USB drive " option.

4.Select the CatOS installation image downloaded in the previous step at the " Write this ISO image " option

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5.Click " Create ", wait for a moment, and close the software when completed.

Ready to go​

Congratulations 👏, you have completed all preparations for installing CatOS, please click Next to start installing the CatOS operating system.