The USB version has registered versions of WriteItNow 6 for the PC and for OS X.
The price includes shipping and handling.
There are installation instructions here.
The USB has a free detailed PDF Manual
Version 6 runs on PCs with Windows 7, 8 and 10 and Macs with OS X (10.7 and above).
USBs in the US are shipped from our US distributor using Priority Mail.
In the UK USBs are sent out in one to two business days using First Class Post.
USBs to other destinations may take from one to three weeks to arrive.