How to Install Ubuntu with Windows 10

Dual-booting operating systems has long been a staple for tech enthusiasts and professionals alike, offering the flexibility to leverage the strengths of different platforms without sacrificing existing setups. Installing Ubuntu alongside Windows 10 is a popular choice, allowing users to access the robust command-line environment and open-source ecosystem of Linux while retaining the familiar interface and software compatibility of Windows. This guide will walk you through the process, focusing on a seamless integration that respects your existing Windows installation and data.

Table of Contents

Preparing for Installation

Before embarking on the installation journey, careful preparation is paramount to ensure a smooth and error-free experience. This involves several crucial steps, from understanding your hardware to creating a dedicated space for Ubuntu.

Understanding Your System and Requirements

The first step is to assess your computer’s hardware compatibility and ensure it meets the minimum requirements for Ubuntu. While Ubuntu is known for its flexibility and can run on a wide range of hardware, modern desktop environments can be more resource-intensive.

Hardware Specifications: Check your CPU, RAM, and available disk space. Ubuntu’s official documentation provides detailed minimum and recommended specifications. Generally, at least 4GB of RAM and 20GB of free disk space are recommended for a comfortable experience, though more is always better, especially if you plan to run resource-heavy applications.
UEFI vs. BIOS: Most modern computers use UEFI (Unified Extensible Firmware Interface) instead of the older BIOS. Ubuntu has excellent UEFI support, but it’s good to be aware of which system your computer uses. You can usually find this information by entering your system’s firmware setup (often by pressing F2, F10, F12, or DEL during startup).
Secure Boot: Secure Boot is a security feature found in UEFI that can sometimes interfere with the installation of non-Windows operating systems. While Ubuntu generally supports Secure Boot, it’s often recommended to disable it temporarily in your UEFI settings before installation, especially if you encounter issues. You can re-enable it after installation if desired.

Creating Disk Space for Ubuntu

The most critical preparation step is to allocate unallocated disk space on your hard drive for the Ubuntu installation. This is typically done from within Windows before you begin the Ubuntu installation process.

Shrinking Your Windows Partition:
1. Access Disk Management: Right-click the Start button in Windows and select “Disk Management.”
2. Identify Your Main Drive: Locate your primary Windows partition (usually labeled C:).
3. Shrink Volume: Right-click on your C: drive partition and select “Shrink Volume.”
4. Determine Space: Windows will query the available shrink space. You need to decide how much space you want to allocate to Ubuntu. A minimum of 20GB is recommended, but 50GB or more is ideal for a more functional installation, allowing for applications and user data. Enter the amount of space to shrink in MB (e.g., 50000 MB for 50GB).
5. Confirm Shrink: Click “Shrink.” This will create a block of “Unallocated” space on your drive. Do not format this unallocated space from Windows. Ubuntu’s installer will handle partitioning it.
Backup Your Data: Although this process is designed to be non-destructive, it is always prudent to back up any critical data from your Windows system to an external drive or cloud storage before making changes to your disk partitions.

Downloading Ubuntu and Creating Bootable Media

Next, you need to download the Ubuntu ISO image and create a bootable USB drive or DVD from it.

Download Ubuntu:
1. Visit the official Ubuntu website (ubuntu.com).
2. Navigate to the download section and choose the latest Long Term Support (LTS) version of Ubuntu Desktop. LTS versions are supported for five years, providing stability and reliability.
3. Download the .iso file.
Create Bootable USB Drive:
1. Software: You’ll need a tool to write the ISO image to a USB drive. Popular and reliable options include Rufus (for Windows) or balenaEtcher (cross-platform).
2. USB Drive: Use a USB flash drive with at least 8GB of storage. Ensure there’s no important data on it, as the process will erase its contents.
3. Process (using Rufus as an example):
  - Open Rufus.
  - Under “Device,” select your USB drive.
  - Under “Boot selection,” click “SELECT” and choose the Ubuntu ISO file you downloaded.
  - Ensure “Partition scheme” is set to “GPT” and “Target system” is set to “UEFI (non CSM)”. This is generally the correct setting for modern systems.
  - Click “START.” Rufus may ask about writing in ISO image mode or DD image mode; ISO mode is usually sufficient. Confirm any prompts to format the drive.
4. Process (using balenaEtcher):
  - Open balenaEtcher.
  - Click “Flash from file” and select your Ubuntu ISO.
  - Click “Select target” and choose your USB drive.
  - Click “Flash!” and grant administrative permissions if prompted.

Installing Ubuntu Alongside Windows 10

With your bootable media ready and disk space prepared, you can now proceed with the actual installation of Ubuntu.

Booting from the USB Drive

The first step in the installation process is to boot your computer from the Ubuntu USB drive you created.

Access Boot Menu:
1. Insert the bootable Ubuntu USB drive into your computer.
2. Restart your computer.
3. As your computer starts up, you’ll need to access the boot menu. The key to press varies by manufacturer (common keys include F12, F10, F8, ESC, or DEL). Watch your screen for prompts indicating which key to press for “Boot Options” or “Boot Menu.”
4. Once the boot menu appears, select your USB drive from the list of boot devices. It might be listed by its brand name or as a generic “USB HDD” or “UEFI USB Device.”
Ubuntu Boot Screen:
1. If successful, you’ll see the Ubuntu boot menu. Select “Try or Install Ubuntu.” This will boot a live session of Ubuntu directly from the USB, allowing you to test hardware compatibility and explore the OS before installation.

The Ubuntu Installer

Once Ubuntu boots into the live environment, you can begin the installation.

Welcome and Language Selection:
1. On your desktop, you’ll find an “Install Ubuntu” icon. Double-click it.
2. The first screen prompts you to choose your preferred language for the installation process and the installed system. Select your language and click “Continue.”
Keyboard Layout:
1. Next, you’ll select your keyboard layout. You can test your layout in the provided text box. Ubuntu usually detects the correct layout automatically, but you can change it if needed. Click “Continue.”
Updates and Other Software:
1. “Normal installation” vs. “Minimal installation”: A normal installation includes a web browser, utilities, office software, games, and media players. A minimal installation includes only a web browser and basic utilities. For most users, “Normal installation” is recommended.
2. “Download updates while installing Ubuntu”: Checking this option will download the latest software updates during the installation process, saving you time later. This requires an active internet connection.
3. “Install third-party software for graphics and Wi-Fi hardware and additional media formats”: It’s highly recommended to check this box. This option installs proprietary drivers and codecs that may be necessary for your Wi-Fi card, graphics card, and to play various media formats smoothly. Click “Continue.”

Installation Type – The Crucial Step: This is the most important screen for dual-booting.
1. “Install Ubuntu alongside Windows Boot Manager”: If your disk partitioning was detected correctly and enough free space was created, Ubuntu should offer this option. This is the simplest and most recommended method for dual-booting. Select this option if it’s available. The installer will automatically handle partitioning the unallocated space for Ubuntu.
2. “Erase disk and install Ubuntu”: DO NOT SELECT THIS OPTION. This will wipe your entire hard drive, including Windows.
3. “Something else”: This option provides advanced manual partitioning. You would only choose this if the “Install Ubuntu alongside Windows Boot Manager” option is not available or if you need to create specific partition schemes (e.g., separate /home partition). If you choose “Something else,” you will need to manually create partitions for Ubuntu using the unallocated space you created earlier:
  - Select the “free space” or “unallocated” partition.
  - Click the “+” button to create a new partition.
  - Root Partition (/): Create a primary partition, set the size (e.g., 20GB or more), format it as “Ext4 journaling file system,” and set the mount point to /.
  - Swap Area: Create a logical or primary partition, set the size (generally equal to your RAM if you plan to hibernate, or half your RAM if not), and format it as “swap area.”
  - Home Partition (/home): (Optional but recommended for easy data management) Create a logical or primary partition, set the size for the remaining space, format it as “Ext4 journaling file system,” and set the mount point to /home.
  - EFI System Partition: If your system uses UEFI, there will likely already be an “EFI System Partition” (usually 100-500MB, FAT32 formatted). Ensure this partition is selected for the bootloader installation (usually indicated by a small boot icon).
Device for boot loader installation: Ensure this is set to the drive containing your EFI System Partition (usually /dev/sda or /dev/nvme0n1). The installer usually detects this correctly.
Continue Installation: After selecting your installation type and confirming the partitioning (especially if using “Something else”), click “Install Now.”

Completing the Installation

The installer will then proceed to copy files and configure your Ubuntu system.

Location and Time Zone:
1. You’ll be prompted to select your time zone by clicking on a world map. Click “Continue.”
User Creation:
1. “Your name”: Enter your full name.
2. “Your computer’s name”: This is the hostname that will be used on the network.
3. “Pick a username”: This will be your login name.
4. “Choose a password” and “Confirm your password”: Create a strong password.
5. Login Options: Choose whether to “Log in automatically” or “Require my password to log in.” It is highly recommended to require a password for security. Click “Continue.”
Installation Progress:
1. Ubuntu will now begin installing. This process can take anywhere from 15 minutes to over an hour, depending on your computer’s speed and the options you selected. You can follow the progress on the screen, which often displays interesting facts about Ubuntu and Linux.
Restart and First Boot:
1. Once the installation is complete, you’ll see a message prompting you to restart your computer. Click “Restart Now.”
2. You will be asked to remove the installation medium (the USB drive) and press Enter.
3. After restarting, you should be greeted by the GRUB boot loader menu. This menu will list both “Windows Boot Manager” and “Ubuntu.”
4. Select “Ubuntu” to boot into your newly installed system. If you want to boot into Windows, select “Windows Boot Manager.”

Post-Installation and Configuration

After successfully installing Ubuntu alongside Windows 10, there are a few post-installation steps that can enhance your experience and ensure everything is functioning optimally.

System Updates and Drivers

The first thing you should do after booting into Ubuntu is to ensure your system is up to date.

Update Manager:
1. Open the “Software Updater” application (search for it in the Activities overview).
2. It will scan for available updates. Click “Install Now” and enter your password when prompted.
3. Allow the process to complete. This ensures you have the latest security patches and software improvements.
Additional Drivers:
1. If you didn’t check the box for third-party software during installation, or if some hardware still isn’t working optimally (e.g., Wi-Fi, graphics card), you can check for proprietary drivers.
2. Open the “Software & Updates” application.
3. Navigate to the “Additional Drivers” tab.
4. The system will search for available proprietary drivers for your hardware. If it finds any, select the recommended driver and click “Apply Changes.” You may need to restart your computer for these changes to take effect.

GRUB Bootloader Configuration

The GRUB bootloader manages which operating system starts when you turn on your computer. By default, Ubuntu is usually set to boot automatically after a short delay. You might want to change this.

Editing GRUB Configuration:
1. Open a Terminal window (Ctrl+Alt+T).
2. Edit the GRUB configuration file with administrative privileges:
  bash sudo nano /etc/default/grub
3. GRUB_DEFAULT: This line specifies which entry in the GRUB menu is the default. 0 is the first entry (usually Ubuntu), 1 is the second (usually Windows). Change this number to your preference.
4. GRUB_TIMEOUT: This sets the number of seconds GRUB waits before booting the default operating system. You can increase or decrease this value. Setting it to 0 means no delay.
5. GRUB_TIMEOUT_STYLE: This controls how the timeout is displayed. menu shows the menu with a countdown. hidden hides the menu unless a key is pressed. countdown shows a countdown.
6. Save the file by pressing Ctrl+O, then Enter, and exit nano by pressing Ctrl+X.
7. Update GRUB to apply your changes:
  bash sudo update-grub
8. Restart your computer to see the changes.

File System Access

When you’re in Ubuntu, you can access your Windows partitions to retrieve or share files.

Accessing Windows Partitions:
1. Open the “Files” application (Nautilus).
2. Your Windows partitions (usually labeled with their size or drive letter from Windows, like “OS” or “Windows”) will appear in the left-hand sidebar under “Devices.”
3. Click on a partition to mount it and access its contents. You can read and write files to these partitions, provided Windows is not hibernated or Fast Startup is not enabled.
Fast Startup in Windows: If you experience issues accessing Windows partitions from Ubuntu (e.g., files appear read-only or you get errors), it’s likely due to Windows’ Fast Startup feature.
1. Boot into Windows.
2. Go to “Control Panel” -> “Power Options” -> “Choose what the power buttons do.”
3. Click “Change settings that are currently unavailable.”
4. Uncheck “Turn on fast startup (recommended).”
5. Save changes and shut down Windows. Then boot into Ubuntu.

Optimizing Your Dual-Boot Environment

With the basic setup complete, you can further optimize your dual-boot experience.

Install Essential Software: Explore Ubuntu’s software center or use the command line (apt) to install applications you need, such as communication tools, development environments, or media players.
Learn Basic Linux Commands: Familiarize yourself with common terminal commands for file management, package installation, and system configuration. This will unlock the full power of Ubuntu.
Consider Virtualization: For specific Windows-only applications that you don’t want to reboot into Windows for, consider running them within a virtual machine inside Ubuntu (e.g., using VirtualBox or VMware Workstation Player).

By following these steps, you can successfully install and configure Ubuntu alongside Windows 10, creating a versatile computing environment that caters to a wide range of needs and preferences.