What you're changing and where it lives

Your laptop stores your name in two places: your user account name (the folder where your files live, and what appears when you log in) and your display name (what shows on the lock screen and in settings). On Windows, these are separate—you can change one without changing the other. On Mac, they're linked more closely. Both changes happen in your system settings, not in individual programs.

The user account name is harder to change because Windows ties it to file permissions and system folders. The display name is simpler. Most people want to change the display name, which is what you see when you turn on your computer or open settings. If you need to change the user account folder itself, that's a separate, more involved process.

Key Takeaways

  • On Windows, you can change your display name (what shows on screen) in Settings > Accounts > Your info in under a minute.
  • Changing the actual user account folder name requires creating a new admin account, which takes longer and carries more risk of losing access to files.
  • On Mac, change your name in System Settings > General > About, and the system updates your account folder automatically.
  • If you use OneDrive, Outlook, or other Microsoft services, changing your laptop name does not change your account name on those services—you update those separately.

Changing your display name on Windows

Open Settings (press Windows key + I, or click the Start menu and type "Settings"). Go to Accounts on the left side, then click Your info. You will see your current name at the top. Click the Edit button next to it, type your new name, and click Next. Windows will ask you to confirm—click Finish. The change takes effect when ready.

This is the display name only. It changes what appears on your lock screen, in the Start menu, and in Settings. Your files stay in the same folder, and you do not need to restart your computer. If you share your laptop with others, each person has their own account and their own display name, so changing yours does not affect theirs.

Changing your account folder name on Windows (the harder route)

If you need to change the actual user folder (C:\Users\YourName), the process is more complex because Windows locks you out of renaming it while you are logged in. You will need to create a temporary admin account, log into it, rename your original folder, and then log back in. This carries a real risk: if something goes wrong, you can lose access to your files or break programs that depend on the old folder path.

Before you attempt this, ask yourself whether you actually need it. Most people do not. The display name change above solves the problem for 95 percent of situations. If you do need to rename the folder—for example, because a program is looking for a specific path—contact the program's support team first. They may have a workaround that does not require renaming your account folder.

If you decide to proceed: create a new local admin account in Settings > Accounts > Other people > Add account. Log into that account. Open File Explorer, go to C:\Users, right-click your original folder, select Rename, and type the new name. Log back into your original account. You may need to restart. If you run into errors, restart in Safe Mode (hold Shift while clicking Restart in the power menu) and try again. If files become inaccessible, you may need to call a local computer repair shop to recover them.

Changing your name on Mac

Click the Apple menu in the top left, select System Settings, then click General in the sidebar. Click About. You will see your computer name and your account name. To change your account name, go back to the main System Settings page, click General again, then scroll down and click Transfer or Reset. From there, select Change Account Name. Type your new name and your password, then click Change Name.

macOS updates your home folder name automatically when you change your account name, so you do not have to do that separately. The change takes effect after you restart your computer. If you use iCloud, your iCloud account name stays the same—only your local account name changes.

What does not change when you change your laptop name

Changing your laptop name does not change your email address, Microsoft account, Apple ID, or any online service account. If you use Outlook, OneDrive, Gmail, or any cloud service, those accounts stay linked to your old email and password. You update those separately in each service's settings if you need to change them.

Programs you have installed do not break when you change your name. Windows and Mac both handle the transition. However, if you have a very old program that was written to look for a specific user folder path, it might stop working. This is rare. If it happens, reinstalling the program usually fixes it.

When to call for help

If you only want to change what appears on your screen when you log in, the display name change is safe and takes one minute. If you are trying to rename your user account folder and you are not comfortable with the steps above, or if something goes wrong during the process, a local computer repair shop can do it for you. They have tools to recover files if something breaks, which you may not have at home.

Do not attempt to rename your account folder if you have encrypted your hard drive with BitLocker (Windows) or FileVault (Mac). The encryption is tied to your account, and renaming the folder can lock you out of your own files. Contact Microsoft or Apple support before you proceed.

Frequently Asked Questions

Will changing my name on my laptop change my Microsoft or Apple account?

No. Your Microsoft account (email and password) and Apple ID stay the same. Only your local laptop name changes. If you want to change your email address or account name on those services, you do that in their settings separately.

Do I need to restart my computer after changing my display name?

No. The display name change takes effect right away on Windows and Mac. If you change your account folder name on Windows, you will need to restart.

What happens to my files if I change my account name?

On Mac, your home folder updates automatically. On Windows, if you only change the display name, your files stay in the same place. If you rename the account folder itself, your files move with it, but the process is risky—back up your files first.

Can I change my name back if I change my mind?

Yes. Follow the same steps and type your old name. There is no waiting period or limit on how many times you can change it.

Why does my program keep looking for my old user folder?

Some older programs have the old folder path hard-coded into them. Reinstalling the program usually fixes this. If it does not, the program may be too old to work with your current Windows or Mac version.