I'm Installing Office 2019 64 Bit on a brand new computer. Stuck at 51%.
I have installed all of the Windows UpDates and rebooted. Running Windows 10 Build 1903.
C:\Users\UserName\AppData\Local\Temp has a few officeclicktorun.exe_c2ruidll(202001061153172960) files 0kb
It has been at 51% for 2 hours.