to change the cached file location for the Firefox browser:
1: Open the Firefox browser, in the upper left corner of the address bar, enter "About:config", and then press ENTER (enter)
2: Mouse Click "I promise to be careful"
3: In the listed table, any right mouse button, move to New, select "string" Input preference name is called "Browser.cache.disk.parent_directory", then the mouse click OK
4: The value of the input string, for the path you want to save to the e:firefoxfiles disk, for example, enter "a" and then click "OK"
5: In the listed table, any right mouse button, move to New, select "string" Input preference name is called "Browser.cache.offline.parent_directory", then the mouse click OK
6: The value of the input string, as you need to save to the system disk path (also can be the same as the previous set path), such as enter "E:firefoxfiles", then the mouse click OK
7: In the Search box, enter the Blank Space: "browser.cache.disk.enable" to ensure that the value of the string must be "true", the security settings (hard disk cache) path is valid
8: In the Search box, enter the Blank Space: "browser.cache.offline.enable" to ensure that the value of the string must be "true", the security settings (offline cache) path is valid
9: Restart the Firefox browser, then in the upper left corner of the address bar in the space to enter "About:cache", and then press ENTER (enter) to see that the cache path has been changed