How to Switch from Windows to Linux: A Step-by-Step Guide

What happens when you switch to Linux

Switching from Windows to Linux means replacing your operating system entirely. Linux is free, open-source software that runs your computer the same way Windows does—it boots up, runs programs, and manages your files. The main differences are that Linux looks different, uses different programs for common tasks, and requires you to learn new keyboard shortcuts and menu locations.

You have three realistic paths: install Linux alongside Windows on the same machine (called dual-booting), erase Windows and install Linux only, or run Linux inside a virtual machine on top of Windows. Each path takes a different amount of time and carries different risks. Most people new to Linux start with dual-booting or a virtual machine so they can switch back to Windows if something goes wrong.

The actual installation takes 20 to 45 minutes. Learning to use Linux takes weeks or months, depending on what you do with your computer. If you only use a web browser and email, the switch is fast. If you use specialized Windows software with no Linux equivalent, you may find the switch impossible.

Key Takeaways

Dual-booting lets you keep Windows and add Linux to the same machine, so you can choose which one to run when you start up.
You need a USB drive with at least 4 GB of space to create installation media, which takes about 10 minutes with free software like Balena Etcher.
Popular beginner-friendly Linux versions include Ubuntu, Linux Mint, and Fedora, each with slightly different looks and program selections.
Before you start, back up your important files to an external drive or cloud storage in case something goes wrong during installation.
After installation, you will need to reinstall or find Linux versions of the programs you use regularly, which may take several hours.

Decide which installation method fits your situation

Dual-booting is the safest choice if you are unsure about Linux. Your computer will ask you which operating system to run each time it starts. Windows stays untouched on your hard drive. If you hate Linux, you restart into Windows and nothing has changed. The downside is that dual-booting uses extra disk space and adds a few seconds to startup time.

Erasing Windows is faster and simpler if you are certain you will not need Windows again. Installation is identical to dual-booting, except you tell the installer to use the entire drive instead of leaving Windows in place. You cannot undo this without reinstalling Windows from scratch, so only choose this if you have tested Linux first or backed up everything you care about.

Virtual machines let you run Linux inside a window on top of Windows without touching your hard drive. Programs like VirtualBox (free) or VMware create a fake computer inside your real computer. This is the slowest option because Linux has to share your processor and memory with Windows, but it is the safest—you can delete the entire Linux installation by closing one window. Use this if you want to explore Linux for a few hours before committing.

Create a bootable USB drive with Linux installation media

You need a USB drive with at least 4 GB of free space. read Balena Etcher from balena.io/etcher (it is free and works on Windows, Mac, and Linux). Then read a Linux version—Ubuntu 22.04 LTS, Linux Mint 21, or Fedora 39 are all good starting points for people new to Linux. These downloads are large files (around 2 to 3 GB) and may take 10 to 30 minutes depending on your internet speed.

Plug in your USB drive. Open Balena Etcher. Click "Flash from file" and select the Linux file you downloaded. Click "Select target" and choose your USB drive—be careful here, because the next step will erase whatever drive you select. Click "Flash" and wait 5 to 10 minutes. When it finishes, you can unplug the USB drive.

Do not use the USB drive to store files during this process. Balena Etcher erases it completely and fills it with Linux installation files. If you have important files on the drive, copy them to your computer first.

Back up your files before you start

Even if you are dual-booting and Windows will stay intact, back up your important files to an external hard drive or cloud storage. Installation sometimes goes wrong in unexpected ways. A power failure, a mistake during setup, or a hardware problem could damage files on your hard drive.

Copy your Documents, Pictures, Desktop, and Downloads folders to an external drive or upload them to Google Drive, OneDrive, or another cloud service. This takes 10 minutes to an hour depending on how much data you have. If something goes wrong during installation, you will be glad you did this.

Install Linux on your computer

Plug in the USB drive with Linux on it. Restart your computer. As soon as it starts to boot, hold down a key to enter the boot menu. The key varies by computer—common ones are F12, F2, Esc, or Del. Your computer usually shows a message like "Press F12 for boot menu" on the first screen. If you miss it, restart and try again.

In the boot menu, select your USB drive. Your computer will load Linux from the USB drive and show you a desktop with an installer icon. Click the installer and follow the on-screen steps. The installer will ask you where to install Linux, how much disk space to use, and what your username and password should be.

If you are dual-booting, the installer will show you your hard drive and ask how much space to give to Linux. Leave at least 50 GB for Linux if you plan to use it regularly. The installer will create a new partition (a separate section of your hard drive) for Linux without touching Windows. If you are erasing Windows, tell the installer to use the entire drive. Installation takes 15 to 30 minutes. When it finishes, restart your computer and remove the USB drive.

Choose which operating system to run at startup

If you dual-booted, your computer will now show a menu when it starts up. You will see options like "Ubuntu" and "Windows 10" or "Windows 11". Use the arrow keys to highlight the one you want and press Enter. If you do not press anything, the computer will boot into the default option (usually Linux) after 10 seconds.

You can change which operating system boots by default later. In Linux, open a terminal and search online for "change GRUB default" plus your Linux version name—the steps vary slightly. In Windows, search for "System Configuration" and look for the "Boot" tab. Do not change these settings until you are comfortable with both operating systems.

Set up Linux and reinstall your programs

When Linux boots for the first time, it will ask you to connect to the internet and set up a few basic settings. Do this now—it takes 5 to 10 minutes. Then open the software store (called "Ubuntu Software" in Ubuntu, "Software Manager" in Linux Mint, or "GNOME Software" in Fedora). Search for the programs you use: Firefox or Chrome for web browsing, Thunderbird for email, LibreOffice for documents and spreadsheets, GIMP for image editing.

Many programs you used in Windows have Linux versions with the same name and similar features. Some do not—if you use specialized software like Adobe Photoshop, AutoCAD, or accounting programs, search online for "[program name] Linux alternative" to see if a replacement exists. This research and installation usually takes 1 to 3 hours depending on how many programs you use.

Copy your files from the backup drive back to your Linux computer. In the file manager, create folders for Documents, Pictures, and Downloads, then drag your backed-up files into them. Your files will open in Linux programs instead of Windows programs, but the content is the same.

Frequently Asked Questions

Can I go back to Windows if I do not like Linux?

If you dual-booted, yes—just restart and choose Windows from the boot menu. Your Windows installation is untouched. If you erased Windows, you can reinstall it from a USB drive using the same method you used for Linux, but you will need a Windows installation file and a product key. Virtual machines can be deleted by closing one window.

Will my printer, scanner, or other devices work with Linux?

Most common printers and scanners work with Linux out of the box. Plug them in and Linux usually finds them automatically. Some older or specialized devices do not have Linux drivers. Search online for "[device name] Linux support" before you switch. If a device does not work, you can still use it by booting into Windows.

What if I get stuck during installation?

Restart your computer and boot from the USB drive again. The installer will let you try again from the beginning. If you get an error message, write it down and search for it online plus your Linux version name—someone has usually solved the same problem. Linux forums and subreddits like r/linux4noobs are helpful for beginners.

Do I need to buy anything to use Linux?

No. Linux itself is free, and most programs in the software store are free. You need a USB drive (which you probably already have) and internet access to read files. Some commercial programs for Linux cost money, but free alternatives exist for almost everything.

How long does it take to feel comfortable using Linux?

If you only use a web browser and email, a few days. If you use many programs or do technical work, a few weeks. Linux works differently than Windows—menus are in different places, keyboard shortcuts are different, and troubleshooting requires different skills. Give yourself time to learn, and do not expect to be as fast in Linux as you are in Windows for at least a month.

This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.