Please install the full version of Hawk to get Hawk HTTP adapter as Hawk HTTP adapter is always bundled with the full version of Hawk installation.

After installing the full version of Hawk, it is available under $TIBCO_HOME\hawk\<version>\adapters\http

For example,
 
Hawk 5.1 installs HTTP adapter under $TIBCO_HOME\hawk\5.1\adapters\http

Hawk 5.2 installs HTTP adapter under $TIBCO_HOME\hawk\5.2\adapters\http

Hawk 6.0 installs HTTP adapter under $TIBCO_HOME\hawk\6.0\adapters\http


Latest version  Hawk 6.1 does not bundle Hawk HTTP Adapter as it is deprecated in the current release. Please check below link for Hawk 6.1 Release Notes.

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https://docs.tibco.com/pub/hawk/6.1.0/TIB_hawk_6.1.0_relnotes.pdf?id=1
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