If your hardware is not Gaming Quality, you'll have to upgrade, or play a different game.
Minimum requirements for Titanfall on PC:
OS: 64-bit Windows 7, 8, 8.1
Processor: AMD Athlon X2 2.8GHz or Intel Core 2 Duo 2.4GHz
Memory: 4GB RAM
Video card: 512MB VRAM,
Radeon HD 4770 or GeForce 8800GT
(Ignore the tripe about Dx11)
50 GBs storage on the Hdd
Internet speed: 512 KB/s down, 384 KB/s up
Equivalent (desktop) Radeons: HD 5750, HD 6750, HD 7750, R7 250
Equivalent (desktop) Geforces GTS 450, GT 640, GT 740
