With the release of Mastercam X6 we now have both 32 and 64-bit versions available depending on the operating system that is installed. There are a number of advantages to using the 64-bit version, one of them is being able to take advantage of far more system memory. In the past, and for the X6 32-bit version, the maximum memory that could be used was 4 GB. With the 64-bit version of X6 more memory is available.
Memory limits for operating systems:
Version - 32-bit - 64-bit
Windows 7 Ultimate - 4 GB - 192 GB
Windows 7 Enterprise - 4 GB - 192 GB
Windows 7 Professional - 4 GB - 192 GB
Windows 7 Home Premium - 4 GB - 16 GB
Windows 7 Home Basic - 4 GB - 8 GB
Windows 7 Starter - 2 GB - N/A
Windows Vista Ultimate - 4 GB - 128 GB
Windows Vista Enterprise - 4 GB - 128 GB
Windows Vista Business - 4 GB - 128 GB
Windows Vista Home Premium - 4 GB - 16 GB
Windows Vista Home Basic - 4 GB - 8 GB
Windows Vista Starter - 1 GB - N/A
Windows XP - 4 GB - 128 GB
Windows XP Starter Edition - 512 MB - N/A