Nintendo currently has no plans to bring its games to desktops or laptops.
The House of Mario has changed dramatically over the years and is now a big success again. The company spent years swimming against the current with its stubborn attachment to a clandestine business model, but has since turned everything around by embracing market trends. Nintendo traditionally has tried to make trends instead of follow them, and this approach worked quite well over the years until it hit a brick wall with the Wii U. Now the Kyoto-based games-maker has done both: it's changed the game with its massively popular new Switch handheld-console hybrid, and swims with the current by bringing its world-class IP to smartphones for the first time.
While Nintendo's paradigm shift towards a more open integrated hardware and software business has paid off, the company is still slow to further change. Its mobile releases are staggered over many months to ensure quality and avoid saturation, but Super Mario Run was by far and large a misstep due to its free-to-start business method. Nintendo weighs its moves very carefully in regards to the Nintendo Switch, too, keeping big games releases appropriately spread across the year and keeping big updates like Virtual Console and the paid online service close to its chest.
But there's one platform Nintendo just isn't ready to pursue yet: PC.