mkfs.erofs
dump.erofs
fsck.erofs
extract.erofs

erofs-utils
extract.erofs
aosp project

install in setup_x86_64.exe from cygwin
make gcc-core gcc-g++ github
libiconv-devel zlib-devel
clang llvm libpcre-devel
liblzma-devel gettext
gettext-devel libtool
automake autoconf po4a patch

if you no need lzma compressor you can skip this step

git clone https://github.com/xz-mirror/xz xz
cd xz && ./autogen.sh
./configure
make && make install

git clone https://github.com/affggh/erofs-utils_cygwin erofs
cd erofs
# if you need extract.erofs
# git clone https://github.com/sekaiacg/erofs-utils extract
# then make
make

the output will be saved in bin folder

you must install winfsp on you windows.
only support x86_64

.\fuse.erofs -f .\vendor.img .\vendor 

now you can see a folder in current dir called vendor.

please move to here.