Windows compiler
Windows VM
You can obtain a Windows virtual machine image from Microsoft (with a 90-day limit). See this blog: https://developer.r-project.org/Blog/public/2021/03/18/virtual-windows-machine-for-checking-r-packages/
MinGW-32 and MinGW-w64
MinGW-32 and MinGW-w64 are two different compilers. That is to say, MinGW-w64 is not the 64 bit version of MinGW-32.
System32 and SysWOW64
These are default directories for storing DLLs. It is funny that System32
is for 64-bit DLLs and
SysWOW64
is for 32-bit DLLs.
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