If you experience lag, reduce your render distance in video settings.
If you want to fine-tune your performance, let me know your or RAM capacity so I can recommend the best video settings for this shader. Share public link file name climaxshadermcpe120mcpack high quality
Mojang frequently updates Bedrock Edition, breaking many shaders each time. As of the publication of this article, climaxshadermcpe120mcpack remains stable for versions 1.20.0 through 1.20.81. If you update to 1.21: If you experience lag, reduce your render distance