Exclude post category: how?

Hiya there,

I’d like to exclude category ‘Offtopic’ from the blog widget, from footer 1 and from the blog page on https://manoahklaasse.com

How exactly do I go about this?

Thanks, will donate if this works, have been puzzling about quite some time now ??

Manoah

https://www.ads-software.com/plugins/simply-exclude/