No proper guidance

[nambi]

while im checking that univearal forwareder will support to which windows os editions there is no such kind of documents

[PickleRick]

You didn't do your homework "properly".

But seriously, it's easily googleable.

https://docs.splunk.com/Documentation/Splunk/9.1.1/Installation/Systemrequirements

[richgalloway]

Proper guidance is in the docs at https://docs.splunk.com/Documentation/Splunk/9.1.1/Installation/Systemrequirements#Windows_operating...