Then you can grab the floppy version here:
Code:
https://mega.nz/file/gthHVCga#pIUPXriE_h1YLKOx45wrMuVpBR6O5eynaoNASH0406E
Includes Speech Pack and Tactical Operations add-on.
Run SC.EXE for the main game and SCTO1.EXE for Tactical Operations.
And as I said, it should be completely unprotected now.