Tao Software Development Company

Upgrade Options

Tao ExDOS products can be upgraded to a higher version at any time, as long as the license has an active service agreement.

Pricing for the upgrade is available on our Secure Online Shop.

Following are the two upgrade options we offer and the main advantages for each upgrade:

Tao ExDOS Standard to Tao ExDOS Ultimate

When upgrading from Tao ExDOS Standard to Tao ExDOS Ultimate, you gain the following features:

  • Printing from any DOS program to any printer, on any connection, including printers without DOS support.
  • Printing from any DOS program to Word, PDF, HTML, RTF and TXT documents.
  • Printing from any DOS program to Fax, image files and more.
  • Direct attaching of the printed documents to an email message.
  • As well as all hardware, software and display support modules available in Tao ExDOS Standard.

To read more about Tao ExDOS Ultimate, please see the product page.

Tao ExDOS Print to Tao ExDOS Ultimate

When upgrading from Tao ExDOS Print to Tao ExDOS Ultimate, you gain the following features:

  • Ability to run any DOS program on any supported Windows system.
  • Support for hardware modules, such as LPT and USB protection dongles.
  • Enhanced Full Screen and Enhanced Window display modes, which display a crisp and sharp DOS screen.
  • Printing from DOS programs to Word, HTML, RTF and TXT documents, as well as all the printing functionality available in Tao ExDOS Print.
  • Direct attaching of the printed documents to an email message.

To read more about Tao ExDOS Ultimate, please see the product page.

Tao ExDOS Print to Tao ExDOS Standard

Upgrade from Tao ExDOS Print to Tao ExDOS Standard is not available at this time.

Supported Operating Systems:

  • Microsoft Windows 10 (32-bit)
  • Microsoft Windows 10 (64-bit) (1)
  • Microsoft Windows 8 (32-bit)
  • Microsoft Windows 8 (64-bit) (1)
  • Microsoft Windows 7 (32-bit)
  • Microsoft Windows 7 (64-bit) (1)
  • Microsoft Windows Vista (32-bit)
  • Microsoft Windows XP (32-bit)
  • Microsoft Windows 2000
  • Microsoft Windows 2008 Server (32-bit)
  • Microsoft Windows 2003 Server (32-bit)

(1) 64-bit support is available on Windows 10, Windows 8 and Windows 7 via any virtual machine solution running a 32-bit operating system (eg: Virtual XP Mode provided for free by Microsoft). Read more.

The Tao ExDOS line of products includes the following versions:

To compare the different products, please see this page.

Tao ExDOS products are always evolving with new features constantly added to the arsenal of solutions. A sophisticated automated update system ensures the product is always up to date without any intervention from the user.

The Tao ExDOS products have been fully tested and are being used by thousands of customers in the private and commercial sectors, in organizations ranging from SMB to Enterprise, as well as in government and public service offices.


Tao ExDOS - Run DOS programs on Windows 11, Windows 10, Windows 8, Windows 7, Windows Vista, Windows XP and Windows Terminal Server. Print to any printer on any connection (LPT, USB, LAN, Cloud printers), including All-in-One printers, Microsoft Word DOC files, PDF files, Fax, HTML and TXT.