Did as much as I can with adding more GATO branding.

code/modules/modular_computers/file_system/programs/ntdownloader.dm

@@ -2,7 +2,7 @@
 	filename = "ntndownloader"
 	filedesc = "Software Download Tool"
 	program_icon_state = "generic"
-	extended_desc = "This program allows downloads of software from official NT repositories"
+	extended_desc = "This program allows downloads of software from official GATO repositories"
 	unsendable = 1
 	undeletable = 1
 	size = 4

code/modules/modular_computers/hardware/hard_drive.dm

@@ -25,7 +25,7 @@
 /obj/item/computer_hardware/hard_drive/diagnostics(var/mob/user)
 	..()
 	// 999 is a byond limit that is in place. It's unlikely someone will reach that many files anyway, since you would sooner run out of space.
-	to_chat(user, "NT-NFS File Table Status: [stored_files.len]/999")
+	to_chat(user, "GATO-NFS File Table Status: [stored_files.len]/999")
 	to_chat(user, "Storage capacity: [used_capacity]/[max_capacity]GQ")
 
 // Use this proc to add file to the drive. Returns 1 on success and 0 on failure. Contains necessary sanity checks.

code/modules/modular_computers/laptop_vendor.dm

@@ -2,7 +2,7 @@
 
 /obj/machinery/lapvend
 	name = "computer vendor"
-	desc = "A vending machine with microfabricator capable of dispensing various NT-branded computers."
+	desc = "A vending machine with microfabricator capable of dispensing various GATO-branded computers."
 	icon = 'icons/obj/vending.dmi'
 	icon_state = "robotics"
 	layer = 2.9