I'm installing OBIEE 11.1.1.9.0 on my windows server 2019 standard Evaluation,
I'm stuck at 14th of 15 steps please find the screen shot below for that

it stuck at 26% for more than 2 hours and the elapsed time is keep on increasing
my server hardware free space is
> 16 ram and 25-30 GB hard disk free memory
and OS is windows 10
You're talking about installing on Windows 2019 and then you say Windows 10. That's contradictory but actually doesn't matter because neither is supported. OBI 11.1.1.9 is ages old and only ever supported up to Windows 2012R2.
https://www.oracle.com/technetwork/middleware/bi/bi-11gr1certmatrix-11-1-1-9-0-2541437.xls