Earlier quoted context omitted.
It should be built into the initial price. And perpetual is unrealistic, but 10 years is not. Microsoft provides 5 years of Mainstream Support and 5 years of Extended Support at no additional cost (cost is built into the initial license fee). Heck, I would more trust software that says 10 years of garunteed support rather than lifetime support. Too many companies fudge the meaning of "lifetime", and 10 years blows Go…
> Microsoft provides 5 years of Mainstream Support and 5 years of Extended Support at no additional cost (cost is built into the initial license fee). For Windows perhaps, but they sell Office as a yearly subscription.
(Office 2016 works well on Linux with Crossover. Just bought a Crossover lifetime license. Crossover has a decent subscription/license working - subscription is for updates, you can continue using indefinately if you stop paying. Although it is a little expensive.)