https://cygwin.com/
Select a version of or above according to the operating system , as follows:
Currentcygwin DLL Version
Themost Recent version of the Cygwin DLL is 1.7.33 setup-x86.exe Span style= "Font-family:simsun, serif;" > (32-bit installation) or setup-x86_64.exe   (64-bit installation).
usethe Setup program to perform a Fresh Install or to update The An existing installation.
Notethat individual packages in the distribution be updated separately from Thedll so the Cygwin DLL version was not usefu L as a general Cygwin release number.
Choose from Install on the Internet
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Select the root directory
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Select the installation package placement path
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Proxy server address and port required for network proxy
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Select a mirror source
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Select components to install pip,git,vim,Curl,ssh,wget
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Start Download Installation
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Win7 Installing the Cygwin tool