Much as I hate to tell you Keegen.
The Nvidia 8400gs graphics card is very poor indeed.
The card was made in about 2006.
Ten years old, and was considered the very low end of the 800 series of nvidia graphics cards even in 2006.
You would be luck if you got ten frames per second out of it with league of Legends.
And the amount of memory on the card as it stands will not be enough to play the game anyway.
If you use google you can always find what the game requires you to have as a graphics card in your system to play the game, starting from the lowest model of card it will work with up to a high end graphics card costing a few hundred dollars or pounds.
If the card is a Pci-e based graphics card I suggest you take a look at what the game needs you to have graphics card wise in order to run the game.
And then see if you can pick one up from ebay second hand at a reasonable price by bidding on it.
League of legends.
MINIMUM SPECS
2 GHz processor (supporting SSE2 instruction set or higher)
1 GB RAM (2 GB of RAM for Windows Vista and newer)
8 GB available hard disk space
Shader version 2.0 capable video card
Screen resolutions up to 1920x1200
Support for DirectX v9.0c or better
Windows XP (Service Pack 2 or 3 ONLY), Windows Vista, Windows 7, Windows 8, or Windows 10
RECOMMENDED SPECS
3 GHz processor
2 GB of RAM (4 GB of RAM for Windows Vista and higher)
12 GB available hard disk space
Nvidia GeForce 8800/AMD Radeon HD 5670 or equivalent video card (Dedicated GPU with 512MB or higher Video Memory(VRAM))
Support for DirectX v9.0c or better.
Windows XP, Windows Vista, Windows 7, Windows 8.1, or Windows 10 with the latest service pack installed
The latest update to .NET Framework from Microsoft
The latest version of Adobe AIR is required to connect to PVP.net. Adobe AIR is included with all League of Legends setup files, but can also be downloaded from Adobe's website.
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