Best operating system for mu online server ?

[Benczek]

what's the best operating system?
I have 3 licenses for the Windows, W7 W8.1 and W10,
which should i choose?

i havent decided which season i will run

[MentaL]

[Natzugen]

win 7

[Mr X]

win 2008 R2 Standard version.

[jacubb]

what's the best operating system?
I have 3 licenses for the Windows, W7 W8.1 and W10,
which should i choose?

i havent decided which season i will run

None of this versions is suitable for 24/7 up-time. As Mr X told you, use one of the "Server" version - for older files you can use Windows Server 2003, for S4 and newer I can recommend you Windows Server 2008 R2 and for S8 and newer Windows Server 2012 R2.