The server then sends the statistics to the mobile app, which, in turn, displays the metrics in a comprehensive dashboard. To set this up, install the Remote System Monitor server on your PC and the corresponding mobile app on your tablet. The second way is with a remote monitoring app like TRIGONE's Remote System Monitor. Scroll and find the 'VARIABLES' section, replace the name of your CPU and GPU that displayed in OpenHardWareMonitor. This setup allows the tablet to mirror or extend your PC's display, so you can show virtually anything you want. Go to Rainmeter and select my skin, click on 'Edit'. One, is to use it as a display with the help of the spacedesk app. There are two ways to turn your device into a PC system monitor. Here's where your old Android tablet comes into the picture. A better way to go about this is to dedicate a screen to display your system metrics. However, the problem with such software is that you have to launch them, or, in the case of apps with a desktop widget companion, exit other programs to see these stats. One of the easiest ways to check your Windows computer's CPU temperature and other information is with PC monitoring software, such as NZXT CAM, Rainmeter, and HWiNFO.