Error of "No such file directory" even after installing the library

Development Tools IDE 2.x
1

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D:\Arduino\HelloWorld\HelloWorld.ino:5:10: fatal error: LiquidCrystal_I2C.h: No such file or directory

#include <LiquidCrystal_I2C.h>
^~~~~~~~~~~~~~~~~~~~~
compilation terminated.
exit status 1

Compilation error: LiquidCrystal_I2C.h: No such file or directory

3

Welcome

  1. Screenshots of code and error message are quite useless. In future please post code and error message using code tags as described in https://forum.arduino.cc/t/how-to-get-the-best-out-of-this-forum/679966#posting-code.
  2. How did you install the library? Using library manager? Can you find it back in the libraries directory in your sketchbook directory?
    • Which exact library did you install; there are many.
  3. One common reason for the problem that you describe is a username that contains non-ascii characters. Can you post a screenshot of your preferences (file → preferences) which shows the sketchbook location.