who installed SQL server?

following steps will help us to find who is installed SQL server

1. Go to the location: C:\Program Files\Microsoft SQL Server\150\Setup Bootstrap\Log\<Installation Date> the older data will the installation date

2) open the folder and search for the file sql_engine_core_inst_Cpu64_1_Local and open the file (or edit)

3) now, search for the LogonUser to get who installed SQL on the Box.