Microsoft said last Fall that it would offer paid Windows 7 Extended Security Updates on a per-device basis for big customers willing to pay for them after the company ends Windows 7 support on January 14, 2020. Microsoft officials wouldn't talk about how much those updates would cost, beyond saying they'd get more expensive over time.
However, Microsoft has briefed some of its partners and salespeople about the cost of these Extended Support Updates (ESUs). And, as you'd expect, they're not cheap, especially for customers who may want to apply them on multiple PCs. They're even more expensive for customers using the Pro version of Windows than the Enterprise one.
For Windows 10 Enterprise and Microsoft 365 customers, Microsoft will provide Windows 7 ESUs as an "add-on," according to information Microsoft seemingly shared with partners and its field sales people. Year one (January 2020 to 2021), that add-on will cost $25 per device for that set of users. Year two (January 2021 to 2022) that price goes up to $50 per device. And Year three (January 2022 to January 2023) it goes up to $100 per device. To qualify for this pricing tier, customers can be running Pro as long as they are considered "active customers" of Windows Enterprise in volume licensing.
For users who decide to stick with Windows 10 Pro rather than Windows 10 Enterprise, those ESU prices are significantly higher. Year one, Windows 7 ESUs will cost those Windows 7 Pro customers $50 per device; Year 2, $100 per device; and Year 3, $200 per device, according to information Microsoft seemingly shared with its partners and field sales people.
I asked Microsoft officials if they'd verify this pricing information. I also asked if there would be volume discounts on these prices available to customers with a large volume of Windows 7 devices needed ESUs, which I'm thinking could be the case. No word back so far.
These prices ensure customers they will receive cumulative security updates for Windows 7 over the course of a year. If customers decide to purchase ESUs in Year 2 or 3, they will need to pay for prior years. There's no minimum purchase required, according to the documentation I've seen (and a piece of which I've embedded in this post, above).