The Bv3 pack must contain this files:

  \
    BV3       APP  210615
    BS3       APP   31006
    CONTENT   TXT    1870
    LISEZMOI  TXT     782
    README    TXT     692
    REGISTER  TXT    1656

  \HELP\
    BV        H_E   734
    BV        H_F   920
    BVAUTHOR  H_E   387
    BVAUTHOR  H_F   392
    BVCONFIG  H_E   690
    BVCONFIG  H_F   793
    BVFORMAT  H_E   786
    BVFORMAT  H_F   814
    BVOPTION  H_E  3461
    BVOPTION  H_F  4607
    BVTHANXS  H_E  2219
    BVTHANXS  H_F  2735
    BVWOTBV2  H_E  1166
    BVWOTBV2  H_F  1400
    BVWOTFOR  H_E   411
    BVWOTFOR  H_F   811
    BVWYREGT  H_E   640
    BVWYREGT  H_F   894
    BV__COKE  H_E  1239
    BV__COKE  H_F  1342
    BV__JPEG  H_E   115
    BV__JPEG  H_F   115
    BV__MAIN  H_E   668
    BV__MAIN  H_F   760
    BV___GIF  H_E   180
    BV___GIF  H_F   180
    BV___KEY  H_E   289
    BV___KEY  H_F   662
    BV___TGA  H_E    98
    BV___TGA  H_F    98
    _AES      H_E   258
    _AES      H_F   336
    _AUTHOR   H_F   818
    _AUTHOR   H_F   880
    _COPYING  H_E 19510
    _COPYING  H_F 19812
    _EXEMPLE  H_E   109
    _EXEMPLE  H_F   138
    _FONT     H_E   366
    _FONT     H_F   614
    _GDOS     H_E   212
    _GDOS     H_F   312
    _GENERAL  H_E   450
    _GENERAL  H_F   577
    _INDEX    H_E   362
    _INDEX    H_F   462
    _INFO     H_E   130
    _INFO     H_F   199
    _MEMORY   H_E   736
    _MEMORY   H_F  1028
    _OPTION   H_E   987
    _OPTION   H_F  1314
    _PLIB     H_E   365
    _PLIB     H_F   360
    _POPUP    H_E   542
    _POPUP    H_F   670
    _SCONFIG  H_E   408
    _SCONFIG  H_F   529
    _SYSINFO  H_E   169
    _SYSINFO  H_F   214
    _WFORM    H_E   479
    _WFORM    H_F   679
    _WINDOW   H_E   998
    _WINDOW   H_F  1375
    _WINX     H_E   997
    _WINX     H_F  1002