The installer's Windows Explorer integration is not works

[lygstate]

either disable it or enable it, for enable it, we need
Git\git-cheetah\git_shell_ext64.dll
Git\git-cheetah\git_shell_ext.dll.new

[dscho]

Windows Explorer integration is not works

This leaves a lot of room for misinterpretation. Please clarify, i.e. describe exactly what steps you performed, precisely what you expected to see, and accurately what you saw instead.

Without a thorough description of what you think is a bug, and how to reproduce the issue, it is simply impossible to resolve anything.

[dscho]

describe exactly what steps you performed

For inspiration how to improve this bug report to a point where it can be addressed, have a look at this page: http://mattgemmell.com/what-have-you-tried/