lib error for mcp3208x.h

I’m getting this error from code in the Arduino playground. Can you help?

Arduino: 1.6.8 (Windows 7), Board: “Arduino/Genuino Uno”

C:\Program Files (x86)\Arduino\arduino-builder -dump-prefs -logger=machine -hardware “C:\Program Files (x86)\Arduino\hardware” -tools “C:\Program Files (x86)\Arduino\tools-builder” -tools “C:\Program Files (x86)\Arduino\hardware\tools\avr” -built-in-libraries “C:\Program Files (x86)\Arduino\libraries” -libraries “C:\Users\121776\Documents\Arduino\libraries” -fqbn=arduino:avr:uno -ide-version=10608 -build-path “C:\Users\121776\AppData\Local\Temp\buildacb6b82c28797ebf8f47c99b86f9d57e.tmp” -warnings=none -prefs=build.warn_data_percentage=75 -verbose “C:\Users\121776\Documents\Arduino\mcp3208libtest\mcp3208libtest.ino”
C:\Program Files (x86)\Arduino\arduino-builder -compile -logger=machine -hardware “C:\Program Files (x86)\Arduino\hardware” -tools “C:\Program Files (x86)\Arduino\tools-builder” -tools “C:\Program Files (x86)\Arduino\hardware\tools\avr” -built-in-libraries “C:\Program Files (x86)\Arduino\libraries” -libraries “C:\Users\121776\Documents\Arduino\libraries” -fqbn=arduino:avr:uno -ide-version=10608 -build-path “C:\Users\121776\AppData\Local\Temp\buildacb6b82c28797ebf8f47c99b86f9d57e.tmp” -warnings=none -prefs=build.warn_data_percentage=75 -verbose “C:\Users\121776\Documents\Arduino\mcp3208libtest\mcp3208libtest.ino”
“C:\Program Files (x86)\Arduino\hardware\tools\avr/bin/avr-g++” -c -g -Os -w -std=gnu++11 -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10608 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR “-IC:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino” “-IC:\Program Files (x86)\Arduino\hardware\arduino\avr\variants\standard” “C:\Users\121776\AppData\Local\Temp\buildacb6b82c28797ebf8f47c99b86f9d57e.tmp\sketch\mcp3208libtest.ino.cpp” -o “nul”
“C:\Program Files (x86)\Arduino\hardware\tools\avr/bin/avr-g++” -c -g -Os -w -std=gnu++11 -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10608 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR “-IC:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino” “-IC:\Program Files (x86)\Arduino\hardware\arduino\avr\variants\standard” “C:\Users\121776\AppData\Local\Temp\buildacb6b82c28797ebf8f47c99b86f9d57e.tmp\sketch\mcp3208libtest.ino.cpp” -o “C:\Users\121776\AppData\Local\Temp\buildacb6b82c28797ebf8f47c99b86f9d57e.tmp\preproc\ctags_target_for_gcc_minus_e.cpp”
C:\Users\121776\Documents\Arduino\mcp3208libtest\mcp3208libtest.ino:3:22: fatal error: MCP3208x.h: No such file or directory

#include <MCP3208x.h>

^

compilation terminated.

exit status 1
Error compiling for board Arduino/Genuino Uno.

#include <MCP3208x.h>
#include <SPI.h>
MCP3208 adc(10);

void setup() {
  adc.begin();
  Serial.begin(9600);
}

void loop() {
  char temp[10];
  static int ctr = 0;
  if (ctr == 0) {
    Serial.println();
    Serial.println("              Single Ended               |    Differential");
    Serial.println("    0    1    2    3    4    5    6    7 |    0    1    2    3");
    Serial.println("--------------------------------------------------------------");
  }
  ctr++;
  if (ctr == 10) {
    ctr = 0;
  }
  for (int i = 0; i < 8; i++) {
    sprintf(temp, "%5d", adc.analogRead(i));
    Serial.print(temp);
  }
  Serial.print(" |");
  for (int i = 0; i < 4; i++) {
    sprintf(temp, "%5d", adc.analogReadDif(i));
    Serial.print(temp);
  }
  Serial.println();
  delay(100);
}

C:\Users\121776\Documents\Arduino\mcp3208libtest\mcp3208libtest.ino:3:22: fatal error: MCP3208x.h: No such file or directory

#include <MCP3208x.h>

How much more obvious does the message have to be? You have to download and properly install that library.

I revisited the instruction to install lib’s , now compiles - sorry.