Configure the option "Template folder" (File | Options)

Here you can configure the template (designs) folder for Presentations.

Supported on: At least Windows Vista
DesignPath

Registry HiveHKEY_LOCAL_MACHINE or HKEY_CURRENT_USER
Registry PathSOFTWARE\Policies\SoftMaker\Presentations 2018
Value NameDesignPath
Value TypeREG_SZ
Default Value

softmaker.admx

Administrative Templates (Computers)

Administrative Templates (Users)