If I want to advertise a technical product's manual:
<Product> v1.2 Documentation
Official manual for <product> - the fastest, greatest <thing>
is for the right preposition?
to seems simply wrong, but could be used in a claim like:
The easy way to <product>
(long version: "The easy way to learn how to use <product>")
of feels like it's okay, but expresses that the manual is part of <product> (as in possession).
Are there other ways to say this?
for seems like a good choice, because the second half of my sentence refers to <product>, not its handbook, and for doesn't diminish the understandability of this.