Note: “Tally 4.5” is an older DOS-era version; modern business users should download supported releases (Tally.ERP 9 or TallyPrime). Below is a concise, actionable guide covering both legacy context and how to get the current software safely.
If you must run Tally 4.5, only use it on an offline, air-gapped computer with no sensitive data other than the accounting files.
If you want to experience the classic Tally 4.5 for nostalgic or educational purposes, consider these options:
In remote parts of the world, some users still run DOS or very old Windows 98/XP machines. Tally 4.5 runs perfectly on hardware that cannot support Windows 10 or 11.
Copy the downloaded Tally 4.5 files (typically TALLY.EXE, T45LANG.DAT, TALLY.PRM, etc.) into C:\DOSGAMES\TALLY45.