If you need help with the presets, don't hesitate to contact me. Write an email - I will usually get back to you within the next 12 hours:
How to install Lightroom presets?
Installation Guide for Lightroom 4 / 5 / 6 / CC & Classic CC
Useful resources and articles:
— What are the differences between Lightroom CC and Lightroom Classic CC?
— How to optimize Lightroom speed and performance (by Photography Life)
— Optimize the performance of Lightroom (by Adobe)
— Purchase Adobe Lightroom (Adobe.com)
— Free trial of Adobe Lightroom
— Official Lightroom FAQ (Frequently Asked Questions) by Adobe
— Get started with Lightroom by Adobe (step-by-step-tutorials)