Why can't I sign in?

Follow these steps to change your Apple ID password.
Your Apple ID is the account you use to access Apple services like the App Store, Apple Music, iCloud, iMessage, FaceTime and more.
If you want to change your password If you know your Apple ID password and want to change it, follow these steps.

On your iPhone, iPad, or iPod touch with iOS 10.3 or later

1. Tap Settings > [your name] > Password & Security.
2. Tap Change Password.
3. Enter your current password or device passcode, then enter a new password and confirm the new password.
4. Tap Change or Change Password.
5. Sign in with your new Apple ID password to access Apple features and services.

Learn more about how to change your Apple ID and update other account information.

On your Mac

1. Sign in to your Apple ID account page.
2. In the Security section, click Change Password.
3. Enter your current password, then enter a new password and confirm the new password.
4. Click Change Password.
5. Sign in with your new Apple ID password to access Apple features and services.

Change your password

1. Open your Google Account. You might need to sign in.
2. Under "Security," select Signing in to Google.
3. Choose Password. You might need to sign in again.
4. Enter your new password, then select Change Password.

Change password
Reset your password

1. Follow the steps to recover your account. You'll be asked some questions to confirm it's your account and an email will be sent to you. If you don't get an email:
   • Check your Spam or Bulk Mail folders
   • Add [email protected] to your address book.
   • To request another email, follow the steps to recover your account .
   • Check all email addresses you might've used to sign up or sign in to your account.

2. Choose a password that you haven't already used with this account. Learn how to create a strong password.

1. Open your Google Account. You might need to sign in.
2. Under "Sign-in & security," select Signing in to Google.
3. Choose Password. You might need to sign in again.
4. Enter your new password, then select Change Password.

First, I'm not a Google representative.
* Following is from google (use a computer or browser to reset your password.)
Change or reset your password

• Sign in to My account.
• Under 'Sign-in & security', select Signing in to Google.
• Choose Password. If you see a prompt to sign in again, sign in.
• Enter your new password, then select Change password.

Change or reset your password - Google+ Help - Google Support

https://support.google.com/plus/answer/41078?hl=en-GB

Aloha, ukeboy57

hi William.
you have not said what password you want to change but see if this is it.

How do I change my password on Google? Change your password

1. Sign in to My Account.
2. Under "Sign-in & security," select Signing in to Google.
3. Choose Password. If you see a prompt to sign in again, sign in.
4. Enter your new password, then select Change Password.

Change or reset your password - Google Account Help - Google Support

https://support.google.com/accounts/answer/41078?hl=en Search for: How do I change my password on Google?

if not go to this link should help you out.
how to change my password Google Search

1. Sign in to My Account.
2. Under "Sign-in & security," select Signing in to Google.
3. Choose Password. If you see a prompt to sign in again, sign in.
4. Enter your new password, then select Change Password.

Reset your password

1. Go to the Account support page.
2. Follow the instructions. You'll be asked some questions to confirm it's your account and an email will be sent to you. If you don't get an email:

• Check your Spam or Bulk Mail folders
• Add [email protected] to your address book.
• Request another email.
• Check all email addresses you might've used to sign up or sign in to your account.

3. Choose a password that you haven't already used with this account. Learn how to create a strong password.

Sign into your My Account page.
In the "Sign-in & security" section, select Signing in to Google > Password.
Type your current password and your new password.
Select Change password.

Change your Google Account password
http://ccm.net/forum/affich-926955-how-to-change-security-question-in-gmail

Change your Google Account password To change your Google Account password, go to the change your password page.
Or you can follow the steps listed below:

1. Sign in to your Google account. If you've forgotten your password, type your username on the trouble signing in page to reset your password.
2. Go to the Google Accounts security tab.
3. In the Password box, click Change password.

Remember that changing your Google Account password changes it for all Google products you use, like Gmail and YouTube, so be sure to use your new password the next time you sign in.

Point your web browser at http://www.gmail.com

If another account comes up, sign out of it by clicking the avatar in the upper-right then clicking "Sign out." You can then sign in to another account.

Once you're in, click your avatar in the upper-right, click "Account," click "Security," then click "Change password."

Hello Friend,
You have to fill out a form asking you to enter your old and new password (If you not Signed in,Sign in with your Yahoo ID and Password).

• Click the Change Password button below these instructions. You’ll be asked to sign in if you’re not already.
• Type your current password in the first box.
• Type your new password in the second box.
• Type your new password again in the third box to confirm it.
• Click Save. You’ll see a message telling you that you have successfully chosen a new password. If your new password entries didn’t match, go to step 2 and try again.
• Click Continue. The Account Sign-in Settings page appears.
• Type your new password, and click Sign In. A page opens with your account information. You have successfully used your new password.

Hope this HELPED YOU(If this Helped you RATE me)...Thanks for Contacting FixYa