I want to increase icons and texts
icons and texts of Toolbar, Table of Contents and Search window is very small!!!
But, Texts in menu-bar is proper size. I don't understand this situation
Now, I use window 10 and arcmap 10.1
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The easy one to fix is the icon size for the buttons on your toolbars.
Use the Main Menu to find Options tab on the Customize | Customize Mode dialog, and tick the Large icons checkbox.
Increasing font size is messier but explained well at https://gis.stackexchange.com/a/31347/115