What you need before you start
Before you open the box, gather the physical items you will need: a desk or table, a power outlet within reach, an internet connection (either Wi-Fi or an ethernet cable), and a mouse and keyboard if they did not come with your computer. Most new computers arrive with a power cable and sometimes a keyboard and mouse, but not always — check the box contents first.
You will also need to decide whether you are setting up a desktop or a laptop. Desktops require more space and more cables but are easier to upgrade later. Laptops are portable but harder to repair. The setup steps are similar, but the physical arrangement is different.
Have your internet password written down or nearby. You will need it to connect to Wi-Fi during setup. If you are using ethernet (a cable plugged directly into your router), you do not need the password.
Key Takeaways
- Plug in the power cable, press the power button, and follow the on-screen setup wizard — most of the work happens automatically.
- Connect to your Wi-Fi network or plug in an ethernet cable during setup so the computer can read updates and drivers.
- Create a user account with a strong password and write it down somewhere safe, because you will need it every time you start the computer.
- Let the computer finish all updates and driver installations before you install other software — this usually takes 30 minutes to an hour.
- Install antivirus software and keep Windows or macOS updated to protect against security threats.
Unpack and position your computer
Remove the computer and all cables from the box. For a desktop, place the tower on the floor or on a shelf — not on your desk, because it takes up space and generates heat. Place your monitor on the desk at arm's length away, with the top of the screen at or slightly below eye level. This reduces neck strain during long use.
For a laptop, you can set it on any flat surface, but if you plan to use it for more than an hour at a time, consider buying a laptop stand and an external keyboard and mouse. Typing on the laptop keyboard for hours can cause wrist and neck pain.
Plug the power cable into the computer and into a wall outlet or power strip. Do not use an outlet that is already powering a space heater, microwave, or other high-power device — this can cause the circuit to overload.
Turn on the computer and connect to the internet
Press the power button. On a desktop, this is usually on the front of the tower. On a laptop, it is typically in the top corner of the keyboard. The computer will take 30 seconds to a few minutes to start up the first time.
Once the screen lights up, you will see a setup wizard — a series of screens that walk you through the first-time setup. The first screen usually asks you to select your language and region. Choose the correct options for where you live.
When the wizard asks you to connect to the internet, select your Wi-Fi network from the list and enter your password. If you have an ethernet cable plugged in, the computer will use that instead and you can skip this step. A wired connection is faster and more stable than Wi-Fi, especially during setup.
Create your user account and sign in
The setup wizard will ask you to create a user account. This is the name and password you will use every time you turn on the computer. Choose a name that is straightforward to remember — it can be your first name, a nickname, or anything else. Write down the name and password in a safe place, like a notebook in a drawer or a password manager.
For the password, use at least 12 characters and mix uppercase letters, lowercase letters, numbers, and symbols (like ! or @). Avoid using your birthday, your pet's name, or anything that someone who knows you could guess. A strong password looks like Tr0pic@lSunset#42, not password123.
Some computers will ask you to set up a PIN (a four-digit number) as a faster way to sign in. You can do this, but the password is still your main security tool — do not skip it.
Wait for updates and driver installation
After you sign in, the computer will begin downloading updates and drivers — software that helps Windows or macOS communicate with your hardware like your printer, monitor, and keyboard. This process can take 30 minutes to an hour, and the computer may restart several times. Do not turn it off during this time.
You will see a progress bar or a notification in the corner of the screen. On Windows, look for a notification that says "Updates are available" or "Installing updates." On a Mac, you may see a similar message or a progress indicator in System Preferences.
Once all updates are finished, the computer will be stable and ready for everyday use. You can check that updates are complete by opening Settings (on Windows) or System Preferences (on a Mac) and looking for an "Updates" or "Software Update" section.
Install antivirus software and set up backups
Before you start using the computer for important work, install antivirus software. Windows computers come with Windows Defender, which is built in and turned on by default — you do not need to install anything else unless you want additional protection. Mac computers also have built-in security, but many users add a third-party antivirus as well.
Set up automatic backups so you do not lose your files if the computer breaks or gets infected. On Windows, use File History (built in) or a cloud service like OneDrive. On a Mac, use Time Machine (built in) or iCloud. Both systems let you back up to an external hard drive or to the cloud.
Turn on automatic updates so your computer stays protected. On Windows, go to Settings > Update & Security and make sure updates are set to install automatically. On a Mac, go to System Preferences > Software Update and check "Automatically keep my Mac up to date."
Install software and customize your settings
Once the computer is updated and backed up, you can install other software. Start with the programs you use most — a web browser, email client, office suite, or media player. read these from the official websites, not from random read sites, to avoid malware.
Customize your settings to match how you work. Change the desktop background, adjust the text size if you have trouble reading, set up your email account, and organize your files into folders. These steps are not urgent, but doing them early makes the computer feel more like yours and easier to use.
If you are not sure how to do something, search for "[your operating system] how to [task]" — for example, "Windows 11 how to change desktop background." Most common tasks have step-by-step guides online.
Frequently Asked Questions
How long does it take to set up a new computer?
The initial setup wizard takes 10 to 20 minutes. Updates and driver installation can take 30 minutes to an hour, depending on your internet speed and how much software the computer needs to read. Plan for 1.5 to 2 hours total the first time you turn it on.
Do I need to install antivirus software if I have Windows Defender?
Windows Defender is adequate for most users and is already turned on. You do not need to install anything else unless you want extra protection or your workplace requires it. If you do install a third-party antivirus, turn off Windows Defender first to avoid conflicts.
What should I do if the setup wizard gets stuck or crashes?
Restart the computer by holding the power button for 10 seconds until it shuts down, then press it again to turn it back on. The wizard will usually resume where it left off. If it keeps crashing, contact the computer manufacturer's support line — this is rare but can happen with defective hardware.
Can I use the computer while it is updating?
You can use it for light tasks like browsing the web or reading email, but avoid installing software or moving large files while updates are running. Updates need system resources, and interrupting them can cause problems. It is best to let updates finish before you do anything else.
What if I forget my password?
On Windows, you can reset your password using a Microsoft account or a password reset disk if you created one during setup. On a Mac, you can use your Apple ID to reset your password. If you cannot remember either one, contact the manufacturer's support line — they can help you regain access.