Translation files located in "Hotkeys System Mod Folder"/SKSE/Plugins/UIHS/Translate/

There are premade 13 translation files in folder. Currently only english and korean translated.

Open the file which you want to translate. and translate it like below.
example for translate line 2)

_NEW = 'New' 
to
_NEW = 'Create'

BTW, if your language is not based on latin alphabet like korean, japanese, chinese etc...
You need to change the font to support your language glyph.

Font located in "Hotkeys System Mod Folder"/SKSE/Plugins/UIHS/Fonts/NanumGothicBold.ttf
Default font is 'NanumGothicBold.ttf' changed it to something else support your language.

Once you changed your font need to it's file path as well in Config.toml
It's located in "Hotkeys System Mod Folder"/SKSE/Plugins/UIHS/Config.toml

font_path = 'NanumGothicBold.ttf'
to
font_path = '[New Font name].ttf'