This article explains how to install deepin 15.3 GNU/Linux operating system step by step. This article makes use of example, where the real deepin GNU/Linux will be installed to an external Hard Disk Drive. You will need to create at least 2 empty partitions (20 GB for main and 2 GB or more for swap) and will install the bootloader into the hard disk. I hope this helps you a lot. Happy installing.


Obtaining & Planning

Before installing deepin 15.3 GNU/Linux, of course you must have the ISO image file of it. It is available in 2 versions, 32 bit and 64 bit. Get the ISO file by following Where To Download Deepin.

Plan your partitioning scheme. It is the most important thing not only for this deepin GNU/Linux but also for whole your data. For example, my plan is:

  1. to install deepin in /dev/sdb5 partition (20 GB, main partition) 
  2. and I will use /dev/sda3 as swap (3 GB, swap partition) 
  3. and I will install the bootloader into /dev/sdb hard disk.

As part of my plan, I created /dev/sdb5 partition and /dev/sda3 partition first before doing any installation. I dislike creating partition while doing the actual installation (e.g. in the partitioner program). I suggest you to follow this plan, and you can use GParted program to do partition creating.

1. Prepare USB Bootable

The fastest way to install a GNU/Linux into desktop computer is by using a USB bootable. Create deepin GNU/Linux bootable disk by following Creating Deepin USB Bootable.

2. Enter Live Session

Insert your USB drive and boot up your computer. Next, enter the BIOS and set up the first boot into USB drive. While booting, choose Deepin failsafe option in the deepin boot selection. This option is a live session for deepin.

3. Start System Installer

When you can see the deepin GNU/Linux desktop, click on Install Deepin icon on the top-left corner.

4. Determine Username

The deepin system installer will come up and in the first place you will be asked for your username choice. Type the username and password you desire and click Next.

5. Enter Expert Partitioner

At the second step of deepin system installer, click Expert Mode on the top-right corner. This brings you the advanced partitioning interface.

6. Determine Partitions

At the expert patitioner, now you can edit the partitions you have already prepared. Here, create 2 partitions: one as main partition and one as swap partition. In my example, I choose these details:

Main partition:
  • Device: /dev/sdb5
  • Mount Point: /
  • Filesystem: ext4
  • Formatting: yes
Swap partition: 
  • Device: /dev/sda3
  • Filesystem: swap
  • Formatting: yes

7. Determine Bootloader

After determining partitions, you must determine where the GNU GRUB bootloader should be installed. If you have only one HDD in your computer, choose that HDD name. For example, here, I choose /dev/sdb WDC 290 GB as the target HDD to install bootloader. This /dev/sdb is the HDD where the /dev/sdb5 partition takes place.

Important: notice that a HDD name (/dev/sdb, /dev/sda) has no number on its name; different with a partition which always has number on its name (/dev/sdb5, /dev/sda3).

8. Plans Summary

After determining main partition, swap partition, and bootloader place, see the partitioner for the last time. Pay attention to every detail so you will not lose anything accidentally. Again, recheck until you are sure no mistake has been made. While you are sure, click Install button.

Warning: by pressing Install button, you write your partitioning plans for real. The partitioner will actually format and actually erase your selected partitions and install the bootloader into your Hard Disk Drive.

8. Waiting

Wait for installation progress to be done. In my system, it takes around 30 minutes to complete the installation.

9. Finish

Once finished, deepin system installer informs you that Installation Succeed!. Click Restart Now to meet the freshly installed deepin 15.3 GNU/Linux.


If you have another operating system(s) preinstalled before deepin, then you will see bootloader like picture below in your screen when booting. Don't worry, just select the name of your operating system with keyboard and press enter.

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