Windows 2000 .. 128MB Windows XP .. 256MB Windows Vista or later .. 1024MB HDD 12MB free space Graphics Card esolution 1024x768, 32bit True Color screen Support Device intab compatible digitizer with pressure support Download & Installation You can download PaintTool SAI from below links. This software has 31 days trial period. You can use this software with full function without fee during the first 31 days. (CAUTION: This software disable the file open/save functions immediately when 31 days trial period expired. It means that you lose painting since the saved point. If you'd like to continue using this software after the 31 days trial period expired, you need to purchase the Software License from this site. Before downloading the software, you should ac