If you require a completely free tool, these options are compatible with Windows 7: : An award-winning, free software for Assamese typing. PramukhIME
: The primary official site to download and purchase licenses. You must login via Gmail or Facebook to access downloads. Pricing Plans 30-Day License Lifetime License : ₹3,953 (discounted price). Physical Media If you require a completely free tool, these
: Works with Microsoft Word, Excel, PowerPoint, and DTP applications like Adobe Pagemaker, Photoshop, and CorelDraw. Font Support and DTP applications like Adobe Pagemaker