To make the nVidia graphics adapter the primary graphics processor on the system, open up the NVIDIA Control Panel>Manage 3D settings. From the drop-down list under Preferred graphics processor: you can choose either Auto-select, nVidia, or Intel graphics solutions:

https://www.dell.com/support/kbdoc/en-uk/000103466/how-to-make-the-nvidia-graphics-processor-the-default-graphics-adapter-using-the-nvidia-control-panel
P.S.
ten vecerni live YT stream na ktery si odkazoval, jsem si vecer taky pustil a
u me dochazelo obcas jakoby k zasekum, zrejme chyba na YT nebo na strane YT uctu, ktery
live stream vysilal. U normalnich YT videji se mi to diky nacitani videa do pameti (do cache)
nic takoveho nedeje. Procesor mam starsi a pomalejsi, vga slabou - Intel.