Tier 1 purchase terms
Read before purchasing.Exact editions govern the order.
The preorder and privacy editions are effective October 16, 2026. The scheduled service editions become effective October 20, 2026. They are owner-authorized and are not represented as attorney-reviewed.
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Each link opens the exact Markdown edition incorporated into Tier 1 checkout.
Tier 1 Checkout and Customer Privacy Notice
Effective October 16, 2026Read exact editionMaster Customer Terms
Effective October 20, 2026Read exact editionTier 1 Order Schedule
Effective October 20, 2026Read exact editionDigital Content and Workspace License
Effective October 20, 2026Read exact editionPurchase, Refund, and Delivery Policy
Effective October 20, 2026Read exact editionElectronic Assent and Agreement Evidence
Effective October 20, 2026Read exact editionPre-opening purchase boundary
Checkout is available now. Verified payment begins the 45-calendar-day access period. The broader public launch remains scheduled for October 20, 2026 at 12:00 PM Eastern. A successor edition does not silently replace the editions recorded with an earlier order.