1. Install Locker Android program on your phone, register your EMail as an account there, recieve generated password and input that.
2. On every managed PC install Agent program. After installation is done - fill configuration for the PC.
Use account EMail (1) and password (2), defined in settings of the Android app. Define name of a PC unique for the account.
3. Find the new PC with defined name on the main screen of Android app and use switches to lock - unlock it. When PC is locked it goes to sleep mode immediatelly after starting with enabled Internet connection.