Aim the sticky bomb using the right-click on your mouse.Your character should be holding a sticky bomb.Use the mouse wheel scroll to find the C4 within the type.Use the mouse to highlight the throwable explosives weapon type.Open the inventory menu by pressing ‘’Tab’’.Here’s how to select, place, and detonate sticky bombs in GTA 5 on your PC. The principle for sticky bomb detonation remains the same across GTA’s various platforms, but C4 detonation requires different key combinations from platform to platform. How to Detonate Sticky Bombs in GTA 5 on PC