1. Register user account at https://crowdin.com/
2. Join the project https://crowdin.com/project/retroarch/
3. Select your language to translate
4. Click the file name msg_hash_us.json and the editor should open
5. Select an untranslated (red) string from the list
6. Type translation and save
7. Next string...

Links:

• Video: How to use Crowdin
• Learn more about contributing
• Learn more about the editor
• Learn more about conversations
• Learn more about joining project

You can open a new issue and @guoyunhe to add new language.

Install Java, Python3 and Git

cd intl
python3 crowin_sync.py

1. You need to be project admin. Please contact @guoyunhe or @twinaphex
2. Go to https://crowdin.com/project/retroarch/settings
3. You can manage languages, members etc. here

Links:

• Learn more about project management
• Learn more about inviting project members
• Learn more about roles of members

1. Must NOT contain #else
2. Must NOT have multiple-line string syntax

   // bad
   MSG_HASH(
     MENU_ENUM_SUBLABEL_CHEEVOS_ENABLE,
     "Compete to earn custom-made achievements in classic games.\n"
     "For more information, visit http://retroachievements.org"
     )
   // good
   MSG_HASH(
     MENU_ENUM_SUBLABEL_CHEEVOS_ENABLE,
     "Compete to earn custom-made achievements in classic games.\nFor more information, visit http://retroachievements.org"
     )

3. Must NOT contain lowercase letters in key name

   // bad (x)
   MSG_HASH(
     MENU_ENUM_LABEL_VALUE_CTR_VIDEO_MODE_2D_800x240,
     "2D (High Resolution)"
     )
   // good (X)
   MSG_HASH(
     MENU_ENUM_LABEL_VALUE_CTR_VIDEO_MODE_2D_800X240,
     "2D (High Resolution)"
     )

1. Go to Crowdin and add the language
2. Run Crowdin script to download new translations
3. Add new language into menu (see #10787)