Which Microsoft version should you license?
Each page below puts two product versions side by side: what changes technically, what stays identical in the licensing model, when support ends, and which one to buy today.
All comparisons
Windows Server 2022 vs 2025
Side-by-side comparison of Windows Server 2022 and 2025 — core licensing, CAL rules, hotpatching, support dates and which edition to buy.
SQL Server 2022 vs 2025
Compare SQL Server 2022 and SQL Server 2025 — per-core vs Server+CAL licensing, AI and vector features, JSON support, support lifecycle and upgrade rights.
Office 2021 vs Office 2024
Compare Office 2021 and Office 2024 perpetual licences — apps included, support end dates, LTSC vs consumer editions, and when Microsoft 365 is the better buy.
Windows Server 2019 vs 2022
Windows Server 2019 vs 2022 compared — secured-core server, TLS 1.3, support end dates, identical per-core licensing and CAL version rules.
SQL Server 2019 vs 2022
SQL Server 2019 vs 2022 compared — identical per-core and Server+CAL licensing, ledger tables, Azure Synapse Link, and support end dates.