Psr_10.7z Here

In astronomy, is the prefix for Pulsars (highly magnetized, rotating neutron stars).

Windows has a hidden built-in tool called the Problem Steps Recorder (PSR). PSR_10.7z

When you use this tool, it records every single click, keystroke, and screenshot of what you're doing and saves it as a .zip or .7z file to send to tech support. In astronomy, is the prefix for Pulsars (highly