At best you can run games like League of Legends at low settings. Hardware-intensive games like Witcher 3 are out of the question with your current build.
The integrated graphics are severely underpowered for modern gaming. You will need to turn things down to low settings on painfully low resolutions to get things running at all.
The CPU part is pretty abysmal for gaming as well, but not as bad as the GPU situation.
At best you can run games like League of Legends at low settings. Hardware-intensive games like Witcher 3 are out of the question with your current build.