Independent guidance for Windows, Office, Server, SQL and the wider Microsoft stack — editions, CALs, Volume Licensing, CSP and the differences that matter at purchase time.
Updated as Microsoft ships SE, LTSC and Dynamics changes — covering 2024 and 2025 editions in depth.
Each channel suits a different size of organisation. Pick the one that matches how you'll use, manage and renew.
Boxed or ESD keys, transferable, registered to a Microsoft account.
MAK / KMS activation, centralized VLSC, optional Software Assurance.
Monthly / annual seats, managed through partner or admin center.
Detailed guidance for every major Microsoft product. Click through for editions, activation models, audit notes and FAQs.
Coverage across the Microsoft stack — depth measured in editions, CAL combinations and licensing paths explained per category.
Plain-English answers to the questions buyers and IT admins actually ask.