QGIS plugin not appearing when downloaded from plugin repository

[Former user]

After downloading and installing the tree density plugin there is no icon or launch tool for it in QGIS Plugin Menu. Shutdown and reload QGIS with no change

QGIS version 3.14.15-Pi QGIS code revision d5114d2cfa Compiled against Qt 5.11.2 Running against Qt 5.11.2 Compiled against GDAL/OGR 3.0.4 Running against GDAL/OGR 3.0.4 Compiled against GEOS 3.8.1-CAPI-1.13.3 Running against GEOS 3.8.1-CAPI-1.13.3 Compiled against SQLite 3.29.0 Running against SQLite 3.29.0 PostgreSQL Client Version 11.5 SpatiaLite Version 4.3.0 QWT Version 6.1.3 QScintilla2 Version 2.10.8 Compiled against PROJ 6.3.2 Running against PROJ Rel. 6.3.2, May 1st, 2020 OS Version Windows 10 (10.0)