Requires a specific language patch to change.
Pretty late, I had the same problem, from what it looks like is that the language is called "Unicode" so just go to a file named " DeviantArt·Pein-Sempai paint tool sai change language
from a reputable PaintTool SAI community resource (like the PaintToolSAI Reddit or fan forums). Requires a specific language patch to change
Note: If the above does not work, it is likely that the specific version you downloaded lacks the necessary English language files. In this case, you may need to download an Alternate English UI patch designed for version 1.1.0, which replaces the default language.conf with a properly localized version. 2. Changing Language in Paint Tool SAI Ver. 2 In this case, you may need to download
user wants a long article on how to change the language in Paint Tool SAI. I need to cover official methods, workarounds for unsupported languages like English, file editing, and troubleshooting. I'll follow the search plan outlined in the hints. search results provide some useful leads. I need to open several promising ones to gather detailed information. Results 0, 1, 3, 5, and 6 seem relevant for language change methods and file editing. I'll also need to check for official support and troubleshooting. search results have provided a variety of methods. I have enough information to structure a comprehensive article. The article will cover an introduction, key points about language files for SAI 1 and SAI 2, step-by-step methods for changing language (including using language packs and editing configuration files), version-specific instructions, a troubleshooting section, and a conclusion. The Complete Guide to Changing Language in Paint Tool SAI (2026)