Del-Air  TAB  Software

Specializing in software for the HVAC Testing & Balancing industry



Windows 8


The exact steps and names of the items listed below, may vary slightly,

depending upon the operating system and Excel version you are running.

  1. Click "Start".
  2. Click "Search".
  3. Under the Apps list, select "Control Panel".
  4. Now, under the control panel list, scroll down and select "More Settings".
  5. A new page should open where you can see a button labeled "Programs" with a link under it called "Uninstall a program".  Click that "Uninstall a program" link
  6. Right click on the "Office" or "Excel" program that is in your list.
  7. Click the "Change" button.  This should open the installation window for "Office" or "Excel"
  8. Select "Add or Remove Features"
  9. Click "Continue"
  10. Click the "+" sign next to Microsoft Excel
  11. Click the downward pointing triangle next to .Net Programmability Support
  12. Click on "Run From My Computer"
  13. Click "Continue"

This will install the .Net Support that is need for our program to function.

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