That will show you the membership of the local Administrators group on that machine. (Obviously, I'm assuming that the "Administrators" group hasn't been renamed.)
You can always open a command-line prompt and type net user to list local users. Then type net user <username> for each of them to list the groups they belong to. You may infer something from the result; for example, a user belonging to a group named "Administrators" is probably a local admin.
Open a command-prompt and execute:
That will show you the membership of the local Administrators group on that machine. (Obviously, I'm assuming that the "Administrators" group hasn't been renamed.)
You can always open a command-line prompt and type
net userto list local users. Then typenet user <username>for each of them to list the groups they belong to. You may infer something from the result; for example, a user belonging to a group named "Administrators" is probably a local admin.