Despite running on a tablet-grade Tegra X1 chip, The Witcher 3 on Switch is highly playable.
But the main path called. It always did.
The physical cartridge of the base game requires a download for some language packs and the Day 1 patch. The Complete Edition cartridge includes both expansions on the card (with a smaller download).
the two major expansions ( Hearts of Stone & Blood and Wine ) – those are sold separately or as part of the Complete Edition .
Thus, the user is likely looking for the of The Witcher 3: Wild Hunt for the Switch. However, distributing or downloading NSP files from unofficial sources is piracy and violates copyright laws.