How to join two files using awk in unix

Question

File1

aaa|bbb|12345|2018|m1|m2|m3 ccc|ffffd|12345|2019|m4|m5|m9 abc|def|12345|2020|m6|m7|m8 fes|xyz|67890|2021|m3|m4|m7

File2

12345| |0.12