Or set custom path:

libeay32.dll ssleay32.dll Older OpenSSL 0.9.8 DLLs need MSVC 2008 SP1 redistributable (or msvcr90.dll ). If missing, place msvcr90.dll next to your EXE or install the redist package. ✅ Step 4: Configure Indy in code uses IdHTTP, IdSSL, IdSSLOpenSSL; procedure TForm1.Button1Click(Sender: TObject); var HTTP: TIdHTTP; SSL: TIdSSLIOHandlerSocketOpenSSL; begin HTTP := TIdHTTP.Create(nil); try SSL := TIdSSLIOHandlerSocketOpenSSL.Create(HTTP); SSL.SSLOptions.Method := sslvTLSv1; // or sslvSSLv23 SSL.SSLOptions.Mode := sslmUnassigned; // Optional: if DLLs are in a custom folder // SSL.SSLOptions.SSLVersions := [sslvTLSv1, sslvTLSv1_1, sslvTLSv1_2];

HTTP.IOHandler := SSL;