https://help.tallysolutions.com/docs/te9rel64/Licensing/Change_Password.htm

Changing the Tally.NET Password

Tally.ERP 9 prompts you to change the system generated default password sent to the account administrator or site administrator e-mail ID. This password is used to log in to Tally.ERP 9.

Tally.ERP 9 prompts the user to change the password on attempting to open any of the following screens:

Remote Tally.NET User

Support Centre

Control Centre

Surrender License

Update License

Note: It is recommended to change the password before performing any other operations.

Rules for Creating Passwords

The password can contain upper case letters, lower case letters, numbers, and special characters .

Minimum of 5 characters and a maximum of 18 characters.

The password is case insensitive, can be entered in either upper case or lower case or both.

On providing the required e-mail ID of the and the password the Change My Password screen appears, as shown below:

Enter the required details, and press Enter to change the password.