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OEMs, ISVs and VARs can purchase commercial licenses.

MySQL Community Edition is a freely downloadable version of the world's most popular open source database that is supported by an active community of open source developers and enthusiasts.

MySQL Cluster Community Edition is available as a separate download. The reason for this change is so that MySQL Cluster can provide more frequent updates and support using the latest sources of MySQL Cluster Carrier Grade Edition.

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MySQL Community Server 5.1.66

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Windows (x86, 64-bit), MSI Installer 5.1.66 99.2M
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Windows (x86, 64-bit), MSI Installer
Essentials - Recommended		 5.1.66 31.4M
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Windows (x86, 32-bit), MSI Installer 5.1.66 106.0M
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Windows (x86, 32-bit), MSI Installer
Essentials - Recommended		 5.1.66 38.7M
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Windows (x86, 32-bit), ZIP Archive 5.1.66 27.8M
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Windows (x86, 64-bit), ZIP Archive 5.1.66 118.9M
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Windows (x86, 32-bit), ZIP Archive 5.1.66 115.6M
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