Esri Default Marker Font Download !!install!! -

— This font is installed automatically with ArcGIS Desktop or ArcGIS Pro. You can find the .ttf file inside your ArcGIS installation folder, but you should not extract or redistribute it. Typical location: C:\Program Files (x86)\ArcGIS\Desktop<version>\Fonts or C:\Program Files\ArcGIS\Pro\Resources\Fonts

for downloadable symbol sets that include optimized font-based markers. Check out this community thread on ESRI symbol fonts esri default marker font download