I must have missed when they ported Halo 5 to PC. And As far as Destiny goes, right now all we have are loose rumors. I wouldn't put much stock in those if I were you.
I may try the new ram site, and download more RAM to my Switch. Not sure if ddr3 is the right ram
for it tho. Edit- no it uses floppy Ram, just like @AncientBoi