Performance (Pro edition)

System Performance monitors vital system information. To view system performance, click “Performance” button in the left toolbar in Main Window.

  By default, the second histogram displays Physical Memory usage, to display the histogram of Virtual Memory or Paging, select the radio button of the desired one. 
  Definitions of the three memory readouts (Free and Total) at the bottom, which are listed in kilobytes (K) are as follows.

          Physical: Actual amount of hard RAM; free amount is how much of that is still available

          Virtual: In the Win32 environment, each process has its own 32-bit virtual address space of up to 4GB.This virtual address space is much larger than the total physical memory available to all processes. The kernel maintains a page map for each process to translate virtual addresses into physical addresses. 

          Paging: The system paging file, or swap file, as it is often called, is the means by which Windows implements virtual memory, which allows applications to allocate and commit more memory than is physically present on the system.   

Uptime

The time that has elapsed since Windows started  

Copying Histogram Data

To copy the data/image of the Histogram, right click it and choose 'Copy Graph as Image' or 'Copy Graph Data'.