Downloading a standalone bde 52 .exe from an untrusted website is a high-risk move for your data security. If your goal is simply to view old database files, look for rather than installing the full engine.
Better for general Windows database connectivity. bde 52 .exe download
Are you attempting to (like "Init Failed") or are you migrating an old database to a newer system? BDE52 Download Downloading a standalone bde 52
Most modern developers have moved on to FireDAC or ADO, but you might still need the BDE 5.2 installer if: bde 52 .exe download