1)
Did Rus do exactly like Na'ami said?
1.
Rashi, from Shabbos 113b: No. "Ten l'Chacham v'Yechkam Od" (Mishlei 9:9) - Na'ami told Rus to bathe, anoint, put on her Shabbos clothing and go to the granary. Rus went to the granary first 1 [lest people see her adorned and suspect that she is a harlot].