It looks like the MSI installers now support passing INSTALLDIR...but it looks like the beats don't handle quoting properly and cause services to fail to start.
Just tried to install Auditbeat, Metricbeat, and Winlogbeat 8.13.1 and all the services fail to start.
Copying the start string from the services throws errors showing quotes in the wrong spots.
Removing the quotes allows the beats to start up properly.
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