Better — Proteus 9 Portable

If your query was about how to physically "give text" (type) inside the Proteus environment: Select the 2D Graphics Text Mode from the left-hand toolbar. Click on the schematic where you want the text to appear. Type your desired text into the box in the dialogue window and click for Proteus 9, or are you looking for system requirements Proteus Tutorial How to Add Text to a Schematic