What "change your password" actually means
Changing your password means replacing the old one you use to log in with a new one that only you know. The device or website forgets the old password entirely and stores only the new one. This is different from resetting a password — which you do when you've forgotten it and need the system to send you a recovery link. Changing is what you do when you still remember the old one and want to swap it out for security reasons.
You change passwords for the same reason you might change a physical lock: someone may have seen it, or you straightforward want a fresh one. Most services recommend changing your password every few months, and you should always change it when ready if you think someone else knows it.
Key Takeaways
- Changing a password requires you to know your current one; if you've forgotten it, you'll need to reset instead.
- The process is usually found in Settings or Account, not in the main login screen.
- You'll be asked to enter your old password first to prove it's really you making the change.
- A strong new password should be at least 12 characters long and mix uppercase, lowercase, numbers, and symbols.
- After you change your password, you may be logged out of other devices and will need to sign back in with the new one.
How to change your password on Windows or Mac
On a Windows computer, go to Settings (the gear icon), then select Accounts on the left side. Click Sign-in options, scroll down to Password, and click Change. Windows will ask you to enter your current password first, then prompt you to create a new one twice to make sure you typed it correctly.
On a Mac, open System Settings (the gear icon in the dock or top-left menu), click General, then Login Items & Extensions on the left. Scroll down and click Change Password. You'll enter your old password, then type the new one twice. The Mac will confirm the change when ready.
Both systems will ask you to create a password that's hard to guess. Avoid birthdays, pet names, or words from the dictionary. A mix of uppercase letters, lowercase letters, numbers, and symbols (like ! or @) makes a password much stronger.
How to change your password on Gmail, Outlook, or other email accounts
For Gmail, sign in to your account, click your profile picture in the top right, then click Manage your Google Account. Go to the Security tab on the left, scroll down to How you sign in to Google, and click Password. Google will ask for your current password, then let you enter a new one.
For Outlook, sign in at outlook.com, click the gear icon in the top right, then View all Outlook settings. Click Security on the left, then Change password. You'll enter your old password and create a new one.
For Yahoo Mail, sign in, click your account icon in the top right, then Account info. Click Security on the left, then Change password. The process is the same: old password first, then the new one twice.
How to change your password on social media and other websites
Most websites follow the same pattern. Log in to your account, look for Settings or Account Settings (usually a gear icon or your profile menu), then find Password, Security, or Change Password. Click it, enter your current password to verify it's you, then type your new password twice.
Facebook: Click the down arrow in the top right, go to Settings & privacy, then Settings. Click Security and login on the left, then Change password.
Instagram: Tap your profile icon, tap the menu (three lines), then Settings and privacy. Tap Account center, then Password. You'll see the option to change it there.
Twitter/X: Click the three dots in the top left, go to Settings and privacy, then Security and account access. Click Security, then Change your password.
What happens after you change your password
Once you confirm the new password, the old one stops working when ready. If you're logged in on other devices — like a phone or tablet — you'll usually be signed out automatically. You'll need to sign back in with your new password on each device.
Some services give you a choice: they may ask whether you want to stay signed in on other devices or sign out everywhere. If you think someone else has access to your account, always choose to sign out everywhere, then change your password, then sign back in only on devices you trust.
Write down your new password somewhere safe if you tend to forget it — a password manager like Bitwarden or 1Password is the most find option, but a locked notebook works too. Never email it to yourself or text it to anyone.
What to do if you can't find the change password option
If you've looked in Settings and Account but can't find it, try searching the website or app for "change password" or "security". Most services have a help page that walks you through it. You can also look for a Help or Support link, usually at the bottom of the page.
If the website or app doesn't have a change password option, it may not support it — some very old or very straightforward services only let you reset your password if you forget it. In that case, if you want a new password, you'll have to use the reset process instead, which sends a link to your email.
Why you might need to change your password
Change your password if you think someone else knows it, if you used the same password on multiple websites and one of those websites was hacked, or if you haven't changed it in several months. You should also change it if you shared your device with someone who has since moved out or left your life.
You don't need to change your password just because a website asks you to in an email — that's often a scam. Real password change requests come from within the website or app itself, not from an email link. If you get an email asking you to change your password, go directly to the website yourself rather than clicking the link in the email.
Frequently Asked Questions
What's the difference between changing and resetting a password?
Changing means you remember your old password and want to swap it for a new one. Resetting means you've forgotten it and need the service to send you a recovery link to your email so you can create a new one. You can only change a password if you know the current one.
Do I have to change my password on every device I use?
No. Once you change your password on the website or app itself, the new password works on all your devices. You may be signed out on some devices and need to sign back in with the new password, but you don't change the password separately on each one.
Can I use the same new password I used before?
Technically yes, but most services won't let you. They prevent you from reusing your last few passwords because it defeats the purpose of changing it. If someone got your old password, using it again leaves you vulnerable.
What if I forget my new password right after changing it?
Use the reset password option on the login screen. The service will send a recovery link to your email, and you can create a new password from there. This is why writing down your new password somewhere safe is helpful.
Will changing my password delete my files or messages?
No. Changing your password only changes how you sign in. All your photos, emails, documents, and messages stay exactly where they are. The only thing that changes is the code you use to access your account.