Step 1

Download this

Step 2

Click on it, and install Office...skip product key, accept conditions.

Step 3

Open CMD with administrative priviledge.

Step 4

Type this stuff into CMD

cd /d %ProgramFiles(x86)%\Microsoft Office\Office16
cd /d %ProgramFiles%\Microsoft Office\Office16

Step 5

Type this stuff into CMD

for /f %x in ('dir /b ..\root\Licenses16\ProPlus2021VL_KMS*.xrm-ms') do cscript ospp.vbs /inslic:"..\root\Licenses16\%x"

Step 6

Type this stuff into CMD

cscript ospp.vbs /setprt:1688
cscript ospp.vbs /unpkey:6F7TH >nul
cscript ospp.vbs /inpkey:FXYTK-NJJ8C-GB6DW-3DYQT-6F7TH
cscript ospp.vbs /sethst:209.209.9.214
cscript ospp.vbs /act

Step 7

ONLY if you get error 0xC004F074, repeat

cscript ospp.vbs /act

until you see "activation successful".