how to read this SCREENSHOT inside

[whoknows87]

This is a new Machine, installing Parallels 7 as we speak , just want to make sure I'm not stressing the machine out, not sure what these numbers mean
inactive- 3 GB
Free only 40 MB or so

 

[msjones]

Inactive memory is memory that has been allocated to running applications, but not been requested recently. Its most probably parallels reserving the memory you have set for your Windows 7 virtual machine.

Take a look at this: http://support.apple.com/kb/HT1342