PC On/Off Time v3.2

描述：PC On/Off Time is a free tool that shows you the times your computer has been active during the previous three week period. The software doesn't need to run in the background, because Windows OS tracks logon and logoff/standby times (working hours) by default. Key Features: doesn't require runtimes doesn't require installation doesn't write to the registry doesn't modify files outside of its own directories no adware
下载地址： http://www.afterdawn.com/software/system_tools/misc_system_tools/pc_on_off_time.cfm