Ftax supports Windows 10 and macOS 10.13 (High Sierra) and later.
All Ftax forms work in Adobe Acrobat Reader DC.
Some clients report successfully using Ftax on Linux machines but this is not supported.
Recent browser versions are recommended. Ftax will not currently work on Tablets.
Note: if for any reason Ftax does not work on your computer then you will be refunded. Variations in computer platforms and local software and can sometime block Ftax operation, e.g. security software.