Updating your drivers is the only "software" way to ensure your hardware's shader capabilities are active. Identify your card: Device Manager Display Adapters to see your GPU model. Visit the official site for
Have a specific GPU model or game error? Leave a comment (or consult forums like VOGONS or Reddit’s r/Windows7) for detailed troubleshooting.
Start by updating your video driver. If your GPU is from the Windows 98/2000 era (Intel 8xx, NVIDIA GeForce 2/4 MX), no amount of searching will help—consider a used graphics card or a different PC. For borderline Intel GMA chips, a driver update might surprise you.