Gday @jre10 ,
Goto, settings/Language and Region/Manage Installed Languages.
You will be prompted with, "Language support is not installed completely" Run the Install. ( this can take some time)
Once this is done,
On the "Language Support" window.
Click " Install/Remove Languages"
Scroll to Ukrainian
Double click Ukrainian & "Apply"
Reboot pc.
Hope this helps,
The following link explains this procedure,
In Step#2. Follow my instruction's Above.