Sample ICACLS commands to set owner, grant full control, read-only, and read plus execute access

sample.ps1

::Set Owner of a specific file
ICACLS "D:\test\test.txt" /setowner "administrator"

::Grant Full Control
ICACLS "D:\test\test.txt" /grant:r "administrator:(F)" /C

::Grant Read and Execute Access of a specific file
ICACLS "D:\test\test.txt" /grant:r "users:(RX)" /C

::Grant Read-only Access of a specific file
ICACLS "D:\test\test.txt" /grant:r "users:(R)" /C

You can specify full path only