笔记本上自带office365的机子如何查看内置序列号？

LLS

现在很多笔记本都自带win10和office365的正版，有时候客户重装之后无法激活office365，
请问有什么办法可以查看笔记本自带的win10序列号和office365的序列号呢？

gent

Windows licenses are usually OEM ,
and the office accounts 1 year valid
If you want to backup office activation see the manual method here
https://www.aihao.cc/forum.php?mod=viewthread&tid=35754
the windows key should be in BIOS and activate after install automatically
if not search the Share Key Section there are many key types to choose