Download OFFICE 2021 from these links:

https://officecdn.microsoft.com/db/492350F6-3A01-4F97-B9C0-C7C6DDF67D60/media/en-US/HomeStudent2021Retail.img

https://officecdn.microsoft.com/db/492350F6-3A01-4F97-B9C0-C7C6DDF67D60/media/en-US/HomeBusiness2021Retail.img

https://officecdn.microsoft.com/db/492350F6-3A01-4F97-B9C0-C7C6DDF67D60/media/en-US/Professional2021Retail.img

https://officecdn.microsoft.com/db/492350F6-3A01-4F97-B9C0-C7C6DDF67D60/media/en-US/ProPlus2021Retail.img

@artosh Open CMD as Administrator and copy paste the complete command

cd %windir%\system32
set k1=NWMD9-HG3TP-TRHH3-YXFCB-HT9R4
cls
cscript slmgr.vbs /rilc
cscript slmgr.vbs /upk
cscript slmgr.vbs /ckms
cscript slmgr.vbs /cpky
sc config Winmgmt start=demand & net start Winmgmt
sc config LicenseManager start=auto & net start LicenseManager
sc config wuauserv start=auto & sc start wuauserv
@echo on&mode con: cols=20 lines=2
cscript slmgr.vbs /ipk %k1%
@mode con: cols=100 lines=30
cscript slmgr.vbs /dti>C:\IID.txt
start C:\IID.txt

@Jeff-0 Installation ID (IID):5127714-8333885-5615753-0983175-1391413-3623452-6141813-5901810-3425524

Please make a note of your confirmation id
094366-745995-860604-010050-672056-510883-878276-002451

@James-0 Installation ID (IID): 431505304652462343276530645280284722520551094952088231059233600

Here is the Confirmation key.

498210-507800-853263-462923-435610-687311-140050-012982

@James-0 157592-606090-539411-879485-709702-496092-623342-228813

Here is the Confirmation key.

Hello ZhaSi,
The Confirmation ID (CID) with the Installation ID (IID): 498210-507800-853263-462923-435610-687311-140050-012982
Key: XN3GG-8V6WR-GXYKF-3MX6H-JQP89
Installation ID (IID): 4315053-0465246-2343276-5306452-8028472-2520551-0949520-8823105-9233600

Please save this information with you, whenever you need to activate Office on this particular system...Use the installation key and then put the confirmation code for activation offline.

Windows 10 Enterprise Volume MAK key please..

Does someone has Windows 10 Pro key with activation s left?

@nang

the keys are not working in offline activation as well

the keys are not working in offline activation as well

@mccn
Open Cmd with Admin and paste the following command to activate Microsoft Office 2019:

cscript "C:\Program Files (x86)\Microsoft Office\Office16\OSPP.VBS" /actcid:471731063082700813346313476200116462645684120881
cscript "C:\Program Files (x86)\Microsoft Office\Office16\OSPP.VBS" /act

@aa_bb

Product Key: RD934-FNHHF-CDTBK-GWHF6-GMWKQ
Installation ID is 0333030-5969152-0972001-8785893-2614890-3592806-9483056-7661942-9595205 (Machine Specific)
The Confirmation ID is 173982-362591-047782-207323-517584-271554-003656-892161.

Key: DKRNX-P23JX-P8VXR-DPDKW-JFDHC
Description: Win 8 RTM Professional;ProfessionalN;Enterprise;EnterpriseN Volume:MAK
Sub type: X18-15521
Remaining: 0
Time: 1/9/2021 5:29:31 AM (GMT+7)

Activate it via phone/offline

Key: FNTMW-QDMH6-Y79VT-MK843-9766Y
Description: Win 10 RTM Professional Volume:MAK
Sub type: [TH]X19-98805
Remaining: 0
Time: 1/5/2021 4:21:04 AM (GMT+7)