Can't find about:config preferences page
After typing in about:config and clicking on the 3 lines top r.h. corner I'm supposed to get a page that list preferences. (using Wndows 11) That page does not appear. I wish to change my value for width scrollbar width from zero to 4. I have also accessed videos - with sound -but find i very hard to follow the voice of the presenter because he/she talks far too fast, and in many instances is outdated! I need a page on screen that tells me to type in specific keystroke to get to the page that lists a preference I can change.
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Col SARLL said
After typing in about:config and clicking on the 3 lines top r.h. corner I'm supposed to get a page that list preferences. (using Wndows 11) That page does not appear.
You type in about:config (with a colon) in the location (address) bar. The same place you would type in say www.example.com then press Enter on keyboard. The about:config is not in the three horizontal lines Firefox menu.
https://support.mozilla.org/en-US/kb/about-config-editor-firefox#w_opening-the-aboutconfig-page
Another about: url you may be interested in is about:about as it lists all about: urls for that version of Firefox.