This are all GVLK or generic key from Microsoft with a limited time only.
Pero pwede maging lifetime using HWID activation na gamit ng mga script such as MAS 1.5 script
XGVPP-NMH47-7TTHJ-W3FW7-8HV2C___4_0_OEM:NONSLP_Enterprise
D6RD9-D4N8T-RT9QX-YW6YT-FCWWJ__11_1_____Retail_Starter
3V6Q6-NQXCX-V8YXR-9QCYV-QPFCT__27_0_Volume:MAK_EnterpriseN
3NFXW-2T27M-2BDW6-4GHRV-68XRX__47_1_____Retail_StarterN
VK7JG-NPHTM-C97JM-9MPGT-3V66T__48_0_____Retail_Professional
2B87N-8KFHP-DKV6R-Y2C8J-PKCKT__49_0_____Retail_ProfessionalN
4CPRK-NM3K3-X6XXQ-RXX86-WXCHW__98_0_____Retail_CoreN
N2434-X9D7W-8PF6X-8DV9T-8TYMD__99_0_____Retail_CoreCountrySpecific
BT79Q-G7N6G-PGBYW-4YWX6-6F4BT_100_0_____Retail_CoreSingleLanguage
YTMG3-N6DKC-DKB77-7M9GH-8HVX7_101_0_____Retail_Core
XKCNC-J26Q9-KFHD2-FKTHY-KD72Y_119_0_OEM:NONSLP_PPIPro
YNMGQ-8RYV3-4PGQ3-C8XTP-7CFBY_121_0_____Retail_Education
84NGF-MHBT6-FXBX8-QWJK7-DRR8H_122_0_____Retail_EducationN
KCNVH-YKWX8-GJJB9-H9FDT-6F7W2_125_1_Volume:MAK_EnterpriseS_2021
43TBQ-NH92J-XKTM7-KT3KK-P39PB_125_0_OEM:NONSLP_EnterpriseS_2019
NK96Y-D9CD8-W44CQ-R8YTK-DYJWX_125_0_OEM:NONSLP_EnterpriseS_2016
FWN7H-PF93Q-4GGP8-M8RF3-MDWWW_125_0_OEM:NONSLP_EnterpriseS_2015
RQFNW-9TPM3-JQ73T-QV4VQ-DV9PT_126_1_Volume:MAK_EnterpriseSN_2021
M33WV-NHY3C-R7FPM-BQGPT-239PG_126_1_Volume:MAK_EnterpriseSN_2019
2DBW3-N2PJG-MVHW3-G7TDK-9HKR4_126_0_Volume:MAK_EnterpriseSN_2016
NTX6B-BRYC2-K6786-F6MVQ-M7V2X_126_0_Volume:MAK_EnterpriseSN_2015
G3KNM-CHG6T-R36X3-9QDG6-8M8K9_138_1_____Retail_ProfessionalSingleLanguage
HNGCC-Y38KG-QVK8D-WMWRK-X86VK_139_1_____Retail_ProfessionalCountrySpecific
DXG7C-N36C4-C4HTG-X4T3X-2YV77_161_0_____Retail_ProfessionalWorkstation
WYPNQ-8C467-V2W6J-TX4WX-WT2RQ_162_0_____Retail_ProfessionalWorkstationN
8PTT6-RNW4C-6V7J2-C2D3X-MHBPB_164_0_____Retail_ProfessionalEducation
GJTYN-HDMQY-FRR76-HVGC7-QPF8P_165_0_____Retail_ProfessionalEducationN
FV469-WGNG4-YQP66-2B2HY-KD8YX_171_1_OEM:NONSLP_EnterpriseG
FW7NV-4T673-HF4VX-9X4MM-B4H4T_172_1_OEM:NONSLP_EnterpriseGN
NJCF7-PW8QT-3324D-688JX-2YV66_175_0_____Retail_ServerRdsh
V3WVW-N2PV2-CGWC3-34QGF-VMJ2C_178_0_____Retail_Cloud
NH9J3-68WK7-6FB93-4K3DF-DJ4F6_179_0_____Retail_CloudN
2HN6V-HGTM8-6C97C-RK67V-JQPFD_183_1_____Retail_CloudE
XQQYW-NFFMW-XJPBH-K8732-CKFFD_188_0_____OEM

M_IoTEnterprise
QPM6N-7J2WJ-P88HH-P3YRH-YY74H_191_0_OEM:NONSLP_IoTEnterpriseS
K9VKN-3BGWV-Y624W-MCRMQ-BHDCD_202_0_____Retail_CloudEditionN
KY7PN-VR6RX-83W6Y-6DDYQ-T6R4W_203_0_____Retail_CloudEdition