Will this graphics card work on my system? Also can I change it from my stock Intel HD Graphics?

Pidvalka Raguckis

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Aug 5, 2015
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http://www.1a.lt/kompiuteriu_komponentai/vaizdo_plokstes/asus_gf_gt740_2gb_gddr5_pcie_gt740oc2gd5.
This is the graphics card that I'm about to buy, but before that, I want to know if my pc can handle it.
Here are my specs, I will type the one's CPU-Z shows:
64 bit system.
8 GB Ram.
Intel Pentium CPU G2030 @ 3.00 ghz Proc.
Intel HD Graphics Graphics card.
H61M-P20 (G3) (MS-7788).

Can I change my Intel HD Graphics video card to this one? I don't know anything about the terms and conditions of how you can change anything, how will it work, so please anwser my question if I can change it or not.