gtx 1050 ti can't run overwatch.

Jun 1, 2018
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hi there you all !. A few months ago i purchased a gtx 1050 ti oc thinking that my pc would become a gaming beast (gtx 1050 ti oc, i5-4460 at 3.4Mz, 8g of ddr3 ram and an hhd hard drive), but it didnt. I purchased just cause 3 and, to my surprise, it ran very poorly. I had to turn everyting to the lowest to get around 50-60 fps with occasional sttutering. I thought this was due to a bad game optimization, so i wasnt worried. Then, i tried playing league of legends, and same thing happned. I mean, i didnt get low fps, but after playing for 1 hour, i started getting drops of fps while in teamfights. I also purchased overwatch and, just as the other games, i got low fps (60-70) and lots of stutter after a few matches. I dont know why this happens, because my pc is more than capable of handeling these games. What should i do?
im sorry if theres any misspelling, im spanish