Low - The app uses less than 300ms of processor time and less than 300KB of disk I/O.Medium - The app uses 300ms to 1,000ms of processor time, or 300KB to 3MB of disk I/O.High - The app utilizes more than 1,000ms of processor time, or it uses more than 3MB of disk I/O.Here's exactly how Windows 10 determines each value: To help you determine which apps you should disable, Task Manager displays an impact measurement for each app. If you have a long list, it's a good idea to click the Status column to sort the items into Enabled and Disabled to make the list more manageable.
