The most effective way to gain FPS is by using the rendering mode. Rendering Mode: Set to Performance and restart the game.

Lowering to 1280x720 or 1600x900 significantly reduces the load on your GPU.

For , a "Huge FPS Boost Pack" for low-end PCs typically focuses on deep system optimizations and in-game setting overrides to maximize performance. In-Game Settings Optimization

Set all options (Shadows, Anti-Aliasing, Textures, Effects) to Low or Off .

Keep on Medium or Low ; lowering this reduces the CPU's rendering load. Windows System Tweaks