If you are unable to find Paint Tool SAI 2 on DeviantArt or prefer not to use the website, there are other alternatives to consider:
There is a legal gray area that might be confusing searchers. You can find safe downloads on DeviantArt— Paint Tool Sai 2 Free Download Full Version Deviantart
You can download PaintTool SAI 2 for free from various sources, but be aware that some of these sources may not be official or safe. Here are some options: If you are unable to find Paint Tool