Steam, the most popular gaming platform on PC, sometimes experiences issues where games do not launch. To address this, users should check that their PC meets the game's minimum requirements, ensure the operating system and graphics drivers are updated, verify the integrity of game files through Steam, relocate games to the primary drive if necessary, and manage background applications that may cause conflicts. Additionally, installing specific Visual C++ redistributables from the game’s folder can resolve startup crashes. If problems persist, uninstalling and reinstalling Steam after cleaning the Windows registry may be necessary.