Follow this tutorial if you are having trouble
in installing shaders:- 
https://youtu.be/WS_xEI4xOJ4?si=5Jd2u4r3_60itPv-

NOTE FOR ANDROID USERS:-
 
• After activating shader please restart
the game otherwise sky won't work,

• To make entity files work after
doing the above step when you will
restart the game go to settings 
then Global Resources then Click on click on
shader then tick button at the right alongside 
deactivate button then refresh the shader
1-2 times then your entity shader
effects will work [ONLY ISSUE ON PATCH
APK And ONLY FOR ANDROID USERS] 

-You have to do this everytime whenever 
you will run the game it's a issue with patch
apk even I can't do anything.