Is it possible to lower the graphics in Pokemon Sword / Shield to play without lags?

My PC - for gaming, but it’s not powerful enough. When I run there are a lot of lags. Can I lower the graphics to improve performance?

In order for us to provide better support, we need to see the log generated by Citra. This guide will walk you through how you can obtain the log file: How to Upload the Log File.

The bottleneck is 99% of the time in the CPU, not the GPU, so lowering graphics won’t help at all.
Follow this: Recommended settings

What can I do to get rid of lags without changing the components of the PC?

What specs you have.
CPU-Z CPU-Z Memory