He restarted. The boot screen flickered—not the usual Windows logo, but a rotating teapot, the unofficial mascot of OpenGL. Then his desktop loaded, and everything looked… sharper. The shadows under his icons had ray-traced ambient occlusion. The mouse cursor cast a dynamic shadow that followed it like a loyal pet.

Do not trust standalone installers. Go directly to the NVIDIA, AMD, or Intel support websites.

When the power came back, the machine booted normally. OpenGL 4.6 was not installed. The fluid simulation crashed on launch. And the teapot was gone.

He reached for the keyboard—and paused. Because in the reflection of the black screen, he saw something behind him. Not a person. A shape made of polygons. A wireframe entity, rendered in real time, standing in his doorway.

: Similar to Windows, you'll need to update your graphics driver. The process varies depending on your distribution and graphics card.