Checksum of Download Package on Windows
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Use your favorite program to calculate md5 sums.
For example, md5sum is available as a part of installation of GNU tools. http://gnuwin32.sourceforge.net/packages/coreutils.htm
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After downloading Zulu, at the Windows command line, run the checksum command.
> md5sum <zulu_package>.msi
Sample response
730c347461955f055e1410d6c41f7b6d zulu1.8.0_31-8.5.0.1-win64.msi
or
334c9f28ac7f108f5c35db9cd8499962 zulu8.12.0.1-jdk8.0.71-win_x64.msi
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Check the MSI package signature. Right-click Properties/Digital Signatures.
MSI packages are signed. Verify the name of the signer is Azul Systems, Inc.
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Proceed to the installation section corresponding to your operating system and Zulu installer package.