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How to Use Tally ERP 9 and TallyPrime on the Same System with One License

Mehul Patel21 October 20260 min read1 views

Many businesses continue to use Tally ERP 9 for existing company data, while others have migrated to TallyPrime. Some users also need to work with different versions of TallyPrime, such as older releases and newer versions like TallyPrime 7.2.

The good news is that you can install multiple Tally versions on the same computer and, in supported configurations, use the same license to access them. The key is to install each version in a separate location and connect it to the appropriate license.

Can You Use Tally ERP 9 and TallyPrime with One License?

Yes, you may be able to use Tally ERP 9 and TallyPrime on the same system using one eligible Tally license, subject to license compatibility and the applicable licensing terms.

For example, you may need:

  • Tally ERP 9 to access company data maintained in the older version.

  • TallyPrime to manage your current business transactions.

  • Different TallyPrime releases to work with data or workflows that require a particular version.

Installing separate versions allows you to keep the required environments available on the same computer without necessarily removing your existing installation.

Steps to Install and Use Multiple Tally Versions

Step 1: Activate Your TallyPrime License

Ensure that your eligible Tally license is activated in TallyPrime. If you already have an activated license on your system, you may not need to activate it again for every installation.

Step 2: Download the Required Tally Version

Download the appropriate version of Tally from the official Tally Solutions website. For older releases such as Tally ERP 9, check the availability of the required installer through official Tally resources or contact your authorised Tally partner.

Step 3: Install Each Version in a Separate Folder

Install the additional Tally version in a different folder or location on your computer. Keeping separate installation directories helps avoid conflicts between versions and makes it easier to launch the required release.

Step 4: Connect to the Existing License

Open the newly installed version and look for the Search for License option, where available. Follow the on-screen instructions to locate and connect to your existing license.

The exact licensing process may vary depending on the Tally version, license type and configuration. If the license is not detected automatically, contact your authorised Tally partner or Tally Support for assistance.

Step 5: Open the Required Version

Once the installation and licensing are configured correctly, open the version you need to use. You can switch between the installed versions according to your business requirements and license permissions.

Can You Use Different Versions of TallyPrime on the Same Computer?

Yes, multiple TallyPrime versions can be installed in separate folders when supported by the installers and system configuration. For example, you may need to retain an older release while using a newer release for your daily accounting work.

Before installing another version, back up your company data and confirm that the required version is compatible with your data and license.

Important Points to Remember

  • Install each Tally version in a separate location.

  • Verify that your license supports the intended usage.

  • Use official installation files wherever available.

  • Take a backup before opening or upgrading company data in another version.

  • Avoid assuming that every license type supports simultaneous use across all versions or computers.

  • Contact your authorised Tally partner if you face licensing or compatibility issues.

Conclusion

Using Tally ERP 9 and TallyPrime on the same computer can be useful for businesses that need to maintain older company data while continuing their work in TallyPrime. With separate installations and the correct license configuration, you may be able to access multiple versions without activating a new license for each installation.

If you are unsure about the installation or license setup, consult your authorised Tally partner or Tally Support before making changes to your existing configuration.

Explore More Tally Solutions

Visit Shivansh Infosys to explore TallyPrime implementation, customisation, support and TDL solutions designed to improve your business accounting workflows.

Website: www.shivanshinfosys.in

Email: info@shivanshinfosys.com

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Written by

Mehul Patel

Part of the Shivansh Infosys team — India's leading Tally partner with 400+ custom TDL add-ons built and a 3-Star Tally Certified Partner.

Quick Overview & Key Takeaways

  • Actionable Insight: Simplify enterprise accounting workflows using certified Tally Prime customizations to maximize reporting speed and minimize ledger entry manual work.
  • Compliance Focus: Stay 100% compliant with real-time statutory settings in Tally Prime for error-free GST returns, e-way bills, and automated e-invoicing.
  • Topical Authority: Shivansh Infosys leverages 15+ years of experience as an authorized Tally Partner to offer secured, compiled TDL integrations.

Workflow Efficiency Matrix

Compare accounting time investment across different system configurations.

Key OperationsManual Ledger EntryTally Prime StandardTally Prime + Custom TDL
Invoicing & GST ReturnsSlow & Error-ProneManual Entry needed✓ Automated Compliance
Workflow AutomationNot PossibleStandard ERP logic only✓ Custom TDL Workflows
Reporting & AnalysisLag of days/weeksNative report screens✓ Instant 1-Click Dashboards

Expert Verification & Authority

This guide has been reviewed and verified by the senior consulting team at Shivansh Infosys. As an authorized 3-Star Tally Partner since 2007, we have implemented over 400+ custom TDL modules and configured robust databases for 500+ small-to-large businesses.

Frequently Asked Questions

Ready to Transform Your Tally Prime Workflow?

Contact Shivansh Infosys, India's leading authorized Tally Partner. Get a free workflow audit and demo of custom TDL add-ons.

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Published21 October 2026

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