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Please connect internet before activation  1. search -> cmd.exe -> run as administrator 2. slmgr.vbs /ipk W6ABC-X7EDF-Y8GHI-Z9JKL-A0MNO   # example of SerialNumber 3. slmgr.vbs /ato p.s. To extend trial time span slmgr.vbs /rearm References https://docs.microsoft.com/zh-tw/windows-server/get-started/activation-slmgr-vbs-options

不小心安裝成單機版，想換成公司大量授權的版本，可以先換序號成下方： 以下引自 https://learn.microsoft.com/zh-tw/windows-server/get-started/kms-client-activation-keys Windows Server 2022 Windows Server 2022 Datacenter      WX4NM-KYWYW-QJJR4-XV3QB-6VM33 Windows Server 2022 Datacenter     NTBV8-9K7Q8-V27C6-M2BTV-KHMXV Azure 版本 Windows Server 2022 Standard       VDYBN-27WPP-V4HQT-9VMD4-VMK7H Windows Server 2019 Windows Server 2019 Datacenter     WMDGN-G9PQG-XVVXX-R3X43-63DFG Windows Server 2019 Standard       N69G4-B89J2-4G8F4-WWYCC-J464C Windows Server 2019 Essentials     WVDHN-86M7X-466P6-VHXV7-YY726 Windows Server 2016 Operating system edition KMS Client Setup Key Windows Server 2016 Datacenter CB7KF-BWN84-R7R2Y-793K2-8XDDG Windows Server 2016 Standard WC2BQ-8NRM3-FDDYY-2BFGV-KHKQY Windows Server 2016 Essentials JCKRF-N37P4-C2D82-9YXRT-4M63B Windows 10/11 Operating system edition KMS Cl...