hsu22 发表于 2016-6-24 08:20 
那64位呢?谢谢
网址下面有说明的:
Tools for 64 bit Windows builds
Rtools 2.12 and later include both 32 bit and 64 bit tools.
Most of the tools used for 32 bit builds work fine as well for 64 bit builds, but the gcc version may be different, and it has changed a number of times.
所以安装的时候选择一下就好。