how to get key-hashes for android facebook app

Here is the command :-
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Open you Command Prompt  and run below command to get keyhash
Note* :- You need to enter your key store password

keytool -exportcert -alias bowmen -keystore "C:\Users\Red&Black\Downloads\bowmenuserkeystore.keystore" | "C:\openssl\bin\openssl" sha1 -binary |"C:\openssl\bin\openssl" base64

You can get openssl from below link :-
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https://code.google.com/archive/p/openssl-for-windows/downloads