- Right click on a
empty area of your desktop and choose Personalize.
- Click on the
Display link at the bottom left corner .
- Now you will see
this screen.
- To Select a DPI
Size . Choose a size that you desire .Here are three
choices .
- Smaller - 100%
= 96 DPI(Pixels/Dots Per Inch) ;
- Medium - 125%
= 120 DPI (Pixels/Dots Per Inch);
- Larger - 150%
= 144 DPI (Pixels/Dots Per Inch. 
- Click on the Apply
button.
- Click on the Log
off now button .
- To Set a Custom
DPI Size . In the left pane, click on the Set custom
text size (DPI) link.
- Click on the drop
down arrow and select a percentage you want the DPI
size to be. Click on OK.
Tips
In step 6, This will log
you off immediately. Be sure to save anything you are
working on before you click on this. In step 8,NOTE: You
can also click and hold on the Inch Scale below this and
drag it to change the percentage. C) If needed, check
the Use Windows XP style DPI scaling box to make text
and items clearer in programs that are not designed for
higher settings than 96 DPI (100%). (See screenshot
below step 6D) NOTE: See the TIP box at the top of the
tutorial.)