Help in SPI Compiling error message

Hi,
I'm new in Arduino programming, I want some help to understand. I have Arduino IDE 1.8.5 on windows 10, i want a hex file to connect a NRF24L01 + Arduino uno and simulation via Proteus , but when i compile the arduino code i have a compiling error message says:

Arduino: 1.8.5 (Windows 10), 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\Zhraa\Documents\Arduino\libraries -fqbn=arduino:avr:uno -ide-version=10805 -build-path C:\Users\Zhraa\AppData\Local\Temp\arduino_build_244861 -warnings=none -build-cache C:\Users\Zhraa\AppData\Local\Temp\arduino_cache_550112 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.arduinoOTA.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -verbose C:\Users\Zhraa\Desktop\ide\txx\txx.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\Zhraa\Documents\Arduino\libraries -fqbn=arduino:avr:uno -ide-version=10805 -build-path C:\Users\Zhraa\AppData\Local\Temp\arduino_build_244861 -warnings=none -build-cache C:\Users\Zhraa\AppData\Local\Temp\arduino_cache_550112 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.arduinoOTA.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -verbose C:\Users\Zhraa\Desktop\ide\txx\txx.ino
Using board 'uno' from platform in folder: C:\Program Files (x86)\Arduino\hardware\arduino\avr
Using core 'arduino' from platform in folder: C:\Program Files (x86)\Arduino\hardware\arduino\avr
Detecting libraries used...
"C:\Program Files (x86)\Arduino\hardware\tools\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10805 -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\Zhraa\AppData\Local\Temp\arduino_build_244861\sketch\txx.ino.cpp" -o "nul"
"C:\Program Files (x86)\Arduino\hardware\tools\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10805 -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" "-IC:\Program Files (x86)\Arduino\hardware\arduino\avr\libraries\SPI\src" "C:\Users\Zhraa\AppData\Local\Temp\arduino_build_244861\sketch\txx.ino.cpp" -o "nul"
"C:\Program Files (x86)\Arduino\hardware\tools\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10805 -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" "-IC:\Program Files (x86)\Arduino\hardware\arduino\avr\libraries\SPI\src" "C:\Users\Zhraa\AppData\Local\Temp\arduino_build_244861\sketch\txx.ino.cpp" -o "C:\Users\Zhraa\AppData\Local\Temp\arduino_build_244861\preproc\ctags_target_for_gcc_minus_e.cpp"
C:\Users\Zhraa\Desktop\ide\txx\txx.ino:3:22: fatal error: nRF24L01.h: No such file or directory

#include <nRF24L01.h>

^

compilation terminated.

Using library SPI at version 1.0 in folder: C:\Program Files (x86)\Arduino\hardware\arduino\avr\libraries\SPI
exit status 1
Error compiling for board Arduino/Genuino Uno.

I dont understand what it that mean. Plizzzze help me, what must I do....
thanks

error: nRF24L01.h: No such file or directoryWhere did you put the library when you downloaded it?

which one nrf24l01 or SPI ???
for SPI put at the same directory of installation, i didn't change any thing.

hi...AWOL
thank you for your help so much ... actually i solve my problem via add nfr24l01 library...