reinstalling windows will I lose one activation of product ?

 
If i reinstall windows with the same pc, will i lose one activation of product ?
 
Jozef Košút:
If i reinstall windows with the same pc, will i lose one activation of product ?

Yes.

 
Jozef Košút:
If i reinstall windows with the same pc, will i lose one activation of product ?

The same with major updates like every October

Reason: