SQLEXPR - SQL Server Express SQLEXPRWT - SQL Server Express With Tools (Management Studio Express) SQLEXPRADV - SQL Server Express With Advanced Services (Management Studio Express + ñðåäñòâà àíàëèòèêè) x86 - for 32x and 64x Operation System (prefer) 32_x86 - only for 32x Operation System x64 - only for 64x Operation System ENU - English version (prefer) RUS - Russian version