Here is the link to download MASM Assembler. Download it, extract it to a folder and start programming with adopteesofcolor.org with X64 bit need a Dosbox. MASM (Microsoft macro assembler) is a x86 assembler that uses intel Download adopteesofcolor.org DOWNLOAD file and unzip it to the C:\. And one among them is MASM Software also, which doesn't run on windows 7 systems easily whereas in you find it easy to run this software on Windows. Run your first assembly language program using MASM assembler at windows 7 (64 bit). Emulate real hardware including the CPU, the screen, RAM and input-output devices. Instructions can be executed backward and forward. Now download adopteesofcolor.org into some folder, and then navigate to it using Windows You should place all the Assembler programs that you create in this folder. MASM for Windows 8/7/vista/xp. MASM Assembler: It was one of the Assembler used for programming in Assembly language in Microprocessor. Basically MASM . i hav downloaded the software bt how to install it. The Microsoft Macro Assembler (MASM) is a tool that consumes x86 assembly language programs and generates corresponding binaries. Download MASM for free. Microsoft Macro Assembler (MASM) Version 1 .Extract using WinRAR adopteesofcolor.org adopteesofcolor.org from the folder.