# tar -tzf prometheus-2.20.1.linux-amd64.tar.gz
prometheus-2.20.1.linux-amd64/
prometheus-2.20.1.linux-amd64/LICENSE
prometheus-2.20.1.linux-amd64/NOTICE
prometheus-2.20.1.linux-amd64/tsdb
prometheus-2.20.1.linux-amd64/prometheus
prometheus-2.20.1.linux-amd64/console_libraries/
prometheus-2.20.1.linux-amd64/console_libraries/prom.lib
prometheus-2.20.1.linux-amd64/console_libraries/menu.lib
prometheus-2.20.1.linux-amd64/promtool
prometheus-2.20.1.linux-amd64/prometheus.yml
prometheus-2.20.1.linux-amd64/consoles/
prometheus-2.20.1.linux-amd64/consoles/node.html
prometheus-2.20.1.linux-amd64/consoles/prometheus-overview.html
prometheus-2.20.1.linux-amd64/consoles/prometheus.html
prometheus-2.20.1.linux-amd64/consoles/node-overview.html
prometheus-2.20.1.linux-amd64/consoles/index.html.example
prometheus-2.20.1.linux-amd64/consoles/node-disk.html
prometheus-2.20.1.linux-amd64/consoles/node-cpu.html
Whether it's "installed" or not depends on who or what is doing the installing.