If your goal is to learn Tally or use it for accounting, it is recommended to use the latest versions which offer a free "Educational Mode": TallyPrime (Latest): You can download the setup files from the official site and select Educational Mode to use the full software for free with date restrictions. Tally.ERP 9:
How to Migrate Data of Tally 5.4, 6.3 & 7.2 to Latest Release | TallyHelp tally 5.4 download
For developers looking into the "Tally Definition Language" for older versions, the TDL Reference Manual covers components and syntax. Shortcut Keys: Standard shortcuts like (Select Company) and (Change Date) remain consistent across versions. Are you trying to recover old data from Tally 5.4, or are you looking for a lightweight version to run on an older PC? If your goal is to learn Tally or