Make sure that your computer meets the technical requirements of the game on the Steam store page. If everything is OK, try the following:
- Try to restart your computer, maybe there was a problem in the system.
- Update your operating system with latest updates.
- Update video drivers and sound card drivers.
- Install or update the DirectX to version 9+ https://www.microsoft.com/ru-ru/download/details.aspx?id=34429
- Install or update .NET 3.5+ https://www.microsoft.com/ru-ru/download/details.aspx?id=21
- Check your disk for errors.
- Check your system for viruses.
- Try temporarily disable antivirus or windows brandmauer.
- Try to disable additional background tasks that could interfere with game work process and which are not important.