You need to buy a Tally.ERP 9 license to use all the features of the product.
Tally.ERP 9 provides the following licensing options to you:
Tally.ERP 9 provides two distinct product editions:
● Tally.ERP 9 Silver Edition (Single User): The Silver edition is a single-user license. Only one user can access the license at a time in a LAN environment. For another user to access the same license, all other instance(s) of Tally.ERP 9 currently using the license must be closed.
● Tally.ERP 9 Gold Edition (Multi-User): The Gold edition is a multi-user license. Multiple users can access the license at a time in a LAN environment.
Click here to buy a Tally.ERP 9 license.