Windows how to allow only 1 program to run?

Question

Windows

Good afternoon
Windows 7 Home is installed on the POS system, there are two users: administrator and seller.
What program can be made so that the seller user can only run 1C Enterprise?
Disable "Explorer", CTR+ALT+DEL, etc.
That is, so that you can run only 1 application and log out of the system.
Thanks

Answer 1

Allow the user to run programs only from the specified list:

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer]
"RestrictRun"=dword:00000001
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\RestrictRun]
"1"="путь_к_первой_программе"
"2"="путь_ко_второй_программе"
...

Answer 2

Make this program a shell.