High CPU or Memory usage is known to slow down, hang, or freeze systems with Windows 10 installed in them. This high CPU usage could be caused by many applications and processes. If your system is showing high CPU usage due to the Firefox process, then this guide would be helpful for you.

Here are a few fixes and suggestions:

1] Kill the Firefox process and restart it

2] Disable buggy extensions and themes

3] Update your system’s Graphics Card drivers

4] Stop heavy downloads and close resource-heavy websites

5] Turn On Hardware Acceleration

6] Delete the corrupt content-prefs.sqlite file

7] Reset/Refresh Firefox

Timecodes:
0:00 Intro
0:23 Kill the Firefox process
0:40 Disable buggy extensions and themes
1:05 Update system’s graphics card drivers
1:27 Reset Firefox

Learn more on https://www.thewindowsclub.com/firefox-high-cpu-or-memory-usage

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