With a reset you won't have to download any updates as the reset image is already up to date.
Unless it's pre built system from the likes of PC Word I would go with a reset, if I is then format an re install
WOW I just done clean install of windows using the creation tool 1803 using USB flash drive and wow so fast. I just skipped the CD key part as it said to and all is good. It also installed some intel chip set drivers threw windows update which it didn't just installing from windows 10 disk. See how this goes.![]()