How to make sppc64.dll for Office 

For 64bit only

• Use Powershell script link below to make sppc64.dll

• Open command prompt as admin and enter below command to create a symlink of the system sppc.dll in the Office C2R System directory as sppcs.dll,
  mklink "%ProgramFiles%\Microsoft Office\root\vfs\System\sppcs.dll" "%windir%\System32\sppc.dll"

• copy /y sppc64.dll "%ProgramFiles%\Microsoft Office\root\vfs\System\sppc.dll" 

• reg add HKCU\Software\Microsoft\Office\16.0\Common\Licensing\Resiliency /v "TimeOfLastHeartbeatFailure" /t REG_SZ /d "2040-01-01T00:00:00Z" /f 

• Enter the key, (Replace <key> with the key from the office keys link below) with the following command,  (Office keys link here)

• slmgr /ipk <key> 

• Done.