Approximately 3 MB to 5 MB (compressed).
Proceed with caution. Use DOSBox. Scan for viruses. And always respect the original copyright of Tally Solutions. Download Tally 4.5
| Error Message | Cause | Solution | |---------------|-------|----------| | "Not enough memory" | DOSBox default memory low | Add memsize=16 in DOSBox config | | "Fatal: TALLY.EXE cannot run in protected mode" | Trying to run on 64-bit Windows without emulation | Use DOSBox or VirtualBox | | "Printer not responding" | Direct DOS printer calls fail | Set printer output to file in DOSBox | | "Invalid date format" | Year 2000+ issues (Tally 4.5 had partial Y2K fix) | Manually set system date in DOSBox to pre-2000 | Approximately 3 MB to 5 MB (compressed)