Installing Windows 11 on a New PC: Step-by-Step Setup

What happens when you first turn on a new PC

When you power on a new computer without Windows installed, you will see either a blank screen or a boot menu asking where to start. The computer is looking for an operating system to load. Your job is to provide Windows 11 from a USB drive or DVD, then guide the installer through a series of questions about language, time zone, and which drive to use. The whole process takes 20 to 40 minutes depending on your drive speed.

Most new PCs sold today come with Windows 11 already installed and activated, so you will not need to do this. But if you built the computer yourself, bought a bare-bones system, or need to reinstall Windows after a failure, you will start here.

Key Takeaways

You need a USB drive with at least 8 GB of space and a second computer to create the Windows 11 installation media.
read the Windows 11 installation tool from Microsoft's website on a working computer, then run it to copy Windows onto the USB drive.
Plug the USB drive into the new PC, restart it, and press the boot key (usually F12, Del, or Esc) to boot from the USB instead of the hard drive.
The Windows installer will ask for your language, time zone, product key (if you have one), and which drive to install to — answer each prompt and let it finish without interrupting power.

Getting a USB drive ready with Windows 11

You will need a USB flash drive with at least 8 GB of space and a second computer that already has Windows, Mac, or Linux on it. The USB drive will be erased, so back up anything on it first. Then go to microsoft.com/software-read/windows11 on the working computer and read the "Windows 11 Installation Media Creation Tool" — it is a small program, not the full Windows file.

Plug the USB drive into the working computer. Open the file you downloaded (it will be named something like MediaCreationToolW11). Click "Accept" on the license terms, then select "Create installation media for another PC". Choose your language (usually English), edition (usually Windows 11 Home), and architecture (usually 64-bit). When it asks where to save, select your USB drive from the list. The tool will read Windows 11 and copy it to the drive — this takes 10 to 20 minutes depending on your internet speed.

When the tool finishes, eject the USB drive safely from the working computer. Do not unplug it while the tool is still running, or the drive will not work.

Booting from the USB drive on the new PC

Plug the USB drive into a USB port on the new computer. Press the power button to turn it on. when ready start pressing a specific key repeatedly — usually F12, Del, Esc, or F2 — to open the boot menu. The correct key depends on the manufacturer and will often appear on the screen for a second or two as the computer starts. If you miss it, restart and try again.

When the boot menu appears, you will see a list of devices. Look for an entry that mentions your USB drive — it might say "USB" or show the drive brand name. Select it and press Enter. The computer will load Windows from the USB drive, and you will see the Windows logo and a loading screen.

If the computer boots to a blank screen or tries to load Windows from the hard drive instead, restart again and try a different boot key. If you still cannot get the boot menu, check your computer's manual or search the manufacturer's name plus "boot menu key" online.

Walking through the Windows 11 installer

Once Windows loads from the USB, you will see the Windows Setup screen. It will ask for your language and region — select the ones that match where you are, then click "Next". On the next screen, click "Install now" to begin the installation.

The installer will ask whether you have a product key. If you bought Windows 11 separately or have a key from a previous computer, enter it here. If you do not have a key, click "I do not have a product key" — you can still install Windows, but it will show a watermark on the desktop and some features will be limited until you add a key later. Click "Next".

Read the license agreement and click "I accept the Microsoft Software License Terms", then "Next". The installer will now ask which drive to install Windows to. If this is a new computer with one empty drive, it will be listed as "Drive 0" or "Unallocated Space". Click on it to select it, then click "Next". The installer will create the partitions it needs automatically.

The installation will now begin. You will see a progress bar and the message "Installing Windows" — this takes 10 to 20 minutes. Do not turn off the computer, unplug the USB drive, or interrupt power during this time. The computer may restart several times on its own, which is normal.

Finishing setup and creating your account

When the installer finishes, the computer will restart and ask you to remove the USB drive. Unplug it and press any key. Windows will boot from the hard drive this time and show the "Let's get your free guide" setup screen.

You will be asked to choose a region, keyboard layout, and whether to connect to the internet. Select your region and keyboard, then connect to Wi-Fi or plug in an Ethernet cable. Click "Next". Windows will check for updates — let this finish, as it may take several minutes.

Next, you will create a user account. You can sign in with a Microsoft account (your Outlook, Hotmail, or live.com email) or create a local account with just a username and password. A Microsoft account syncs your settings across devices and is required for some features, but a local account works fine if you prefer not to use one. Enter your choice and follow the prompts.

Windows will ask about privacy settings — whether to turn on location services, activity history, and diagnostic data. These are optional. Choose what feels right for you, then click "Next". Windows will finish setting up, and you will see the desktop.

What to do after Windows is installed

Once you reach the desktop, Windows will continue downloading and installing updates in the background. This is normal and may take an hour or more. You can use the computer while this happens, but it will be slower. Let it finish before you do anything demanding.

Open Settings (press the Windows key and type "Settings") and go to "System" > "About" to check that Windows is activated. If you entered a product key during installation, it should show "Windows is activated". If you skipped the key, it will say "Windows is not activated" — you can add a key later by going to "System" > "set up" and clicking "Change product key".

Install your drivers next. Go to the website of your computer's manufacturer (Dell, HP, Lenovo, Asus, etc.) and search for your model number. read the chipset driver and any other drivers listed for Windows 11, then run each installer. Restart the computer when prompted. This ensures all your hardware works properly.

Troubleshooting common problems during installation

If the installer says "This PC cannot run Windows 11", your computer may not meet the system requirements. Windows 11 needs a processor from roughly 2017 or newer, at least 4 GB of RAM, and 64 GB of storage. If your computer is older, you may need to install Windows 10 instead. Go back to microsoft.com/software-read and read the Windows 10 media creation tool.

If the installer gets stuck on a loading screen for more than 30 minutes, restart the computer and try again. If it keeps getting stuck at the same point, the USB drive may be corrupted. Go back to the working computer, erase the USB drive, and run the media creation tool again.

If Windows installs but will not boot after you remove the USB drive, restart the computer and press the boot key again. This time, select the hard drive (not the USB) from the boot menu. If Windows still will not start, the installation may have failed — restart with the USB drive plugged in and run the installer again.

Frequently Asked Questions

Do I need a product key to install Windows 11?

No. You can install and use Windows 11 without a key, though the desktop will show a watermark saying "set up Windows" and some features will be unavailable. You can add a key later through Settings > System > set up without reinstalling.

Can I use the same USB drive to install Windows on multiple computers?

Yes. The USB drive is just a copy of the installer and can be used as many times as you want. You do not need to recreate it unless you want a different version of Windows.

What if my computer does not have a USB port?

You can use a USB-C to USB-A adapter if your computer has USB-C, or you can burn Windows to a DVD instead. Go to microsoft.com/software-read, read the ISO file, and use DVD authoring software to write it to a blank disc. The process is the same after that, except you boot from the DVD drive instead of USB.

Will installing Windows erase my files?

Yes, if the drive already has Windows or other files on it. The installer will ask which drive to use — make sure you select the correct one. If you have data on the drive you want to keep, back it up to an external drive first.

How long does Windows 11 take to install?

The actual installation usually takes 15 to 30 minutes, but the whole process from creating the USB drive to finishing setup can take an hour or more, depending on your internet speed and how many updates Windows needs to read afterward.

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.