You may need to change your login password based on the password management policy of your organization or when you login for the first time. The procedure to change the password is the same in both the cases.
Go to Security menu and click Change Password.
Enter the Old Password and New Password.
Re-enter the New Password.
Click Change Password.
Password rules
Password should contain:
8 - 110 characters
At least one lowercase,
At least one uppercase
At least one numeric character
At least one special character Do not use these special characters: \, >, <, &, #, %, ' (single quote), and " (double quotes).