After downloading each file, execute them to extract the files. Then run the setup program. MASM is the ml.exe file in the 98ddk/bin/win98 directory. It is version 6.11d that can be patched to 6.13. This is not the same as purchasing MASM product. The linker is 32 bit and will not create 16-bit DOS programs. MASM 6.14 patch for ML.EXE 6.11 Microsoft released the 6.14 patch in 1999 to upgrade ML.EXE from an MS-DOS MZ executable file into a console mode 32 bit Portable Executable binary file. PATCH.EXE 189,440 bytes 4/6/1999. Basically MASM Assembler was developed for Windows Xp,But It works in Windows 7 32bit not in 64 bit so you might have to use DosBox for it. Download and Install MASM Assembler for Windows Xp / Windows 7 32-bit. Download MASM Assembler(Link in Download Section ↓) Extract the downloaded file using winrar to a drive (C:).
Downloading MASM 6.15
It ischaracteristically an industrial software development tool maintainedby a major operating system vendor as a component of their owndevelopment environment and it has never been compromised to become auser friendly tool at the expense of its capacity. It generallyrequires experienced assembler programmers who are both familiar withIntel mnemonics and x86 architecture as it is implemented in a range of 32 bit capable Windows operating system.
Versions7.0 andupwards are components of the Microsoft Visual C++ developmentenvironment and have also been made available in a number of devicedevelopment kits for successive versions of Microsoft Windows. Thecurrent versions of ML.EXE are 9, 10 and 11 depending on the operatingsystem version that it is used with.
The followingreference material in this page is for versions prior to version 7.0and is taken directly from the file dates and copyright text in theoriginal Microsoft binary files supplied since 1981. The list is notexhaustive but it is near complete with actual binary files dating backto 1984. Earlier versions of the Microsoft Macro Assembler were namedMASM.EXE and the Microsoft Assembler is still generally referred to asMASM even though the file name for the assembler was changed to ML.EXEin 1991 with the release of MASM version 6.0.