1: Fire up the app
Install CheckUp and it will scan your system and present you with a multi-tabbed window. The initial screen is a profile of your system, CPU and IP address.
2: Check for issues
The bottom bar shows issues have been detected. On this system the only issue is that the program is in trial mode. Hardware problems will appear here.
3: View system components
On the System tab, you can view a list of the plug-ins, extensions, fonts and applications installed. Select one to show its version and potentially uninstall.
4: View processors
The next tab shows CPU performance, processors and their temperatures. You can view this data in numerous ways, and export the graph data in the full version.
5: View RAM statistics
Under the Memory tab you will see your RAM configuration, the maximum capacity for your Mac, plus what RAM modules you would need to achieve it.
6: View disks
The Disks tab shows the capacity of connected drives, plus how much space is currently used. You can repair disk permissions from here if your system has errors.
7: Network tab
Under Network you can see current levels of data in and out of your Mac and select different network interfaces such as ethernet, wireless or Bluetooth.
8: Process viewer
Every task running is listed under Processes. You can view them all or just processes you are running yourself. The x at the right of a process lets you force quit.