If your PDF has “第○回” (exam number) less than #90, it’s likely the old version.
The official NAT-TEST publisher (Kokusho Kanri Kyokai / Japanese NAT-TEST Committee) does provide free downloadable past papers. Instead, they sell official workbooks: nat test n4 old question pdf new
: NAT Level 4 (4Q) is equivalent to JLPT N4. Reviewers note that while the NAT-TEST covers practical daily situations like dining and transportation, its listening section can be more challenging due to conversational intonations and faster pacing. If your PDF has “第○回” (exam number) less
Educational value