To adjust your text display size in Internet Explorer, please do the following.
Click on Tools in the I.E. menu at the top and
select Internet Options...
(Tools > Internet Options...). the
Internet
Options dialog window will open.
On the General tab go the subsection
labeled History and click the
Accessibility... button.
The Accessibility dialog window will open, and If it's not
already selected, place a check mark in the box next to,
Ignore Font Sizes Specified on Web Pages. Select any of the
other options you wish and then click OK.
Click OK again.
Return to the course by clicking any of the
green buttons above. You are now ready to resize your text as
needed.
From the View menu above, select Text Size
(View > Text Size). Select the option that's
right for you and that's all there is to it.