First time computer builder needing your help

[b1ind]

I'm looking to build my first computer. I'm intending to use it for gaming and streaming. My laptop doesn't handle streaming at all but handles all the games I play. I'm looking to play and stream LoL, WoW, Hearthstone and maybe some others. Looking to get into some shooters for fun (CS:GO) and explore other computer games. I have a budget of around $800. Is there anything I can build that will work for what I want? I'm not sure on how to go about building the components I will need and want.

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PCPartPicker part list: http://pcpartpicker.com/p/nF8CkL
Price breakdown by merchant: http://pcpartpicker.com/p/nF8CkL/by_merchant/

CPU: Intel Core i5-4690K 3.5GHz Quad-Core Processor ($227.99 @ SuperBiiz)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($28.98 @ OutletPC)
Motherboard: MSI H81M-P33 Micro ATX LGA1150 Motherboard ($43.99 @ SuperBiiz)
Memory: Corsair Vengeance 8GB (2 x 4GB) DDR3-1600 Memory ($58.99 @ Amazon)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($48.49 @ OutletPC)
Video Card: MSI Radeon R9 280 3GB TWIN FROZR Video Card ($169.99 @ Newegg)
Case: Cooler Master N200 MicroATX Mid Tower Case ($43.99 @ SuperBiiz)
Power Supply: EVGA 500W 80+ Certified ATX Power Supply ($24.99 @ NCIX US)
Optical Drive: Samsung SH-224DB/BEBE DVD/CD Writer ($13.98 @ Newegg)
Operating System: Microsoft Windows 8.1 (OEM) (64-bit) ($87.95 @ OutletPC)
Wireless Network Adapter: TP-Link TL-WN881ND 802.11b/g/n PCI-Express x1 Wi-Fi Adapter ($18.49 @ OutletPC)
Total: $767.83
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-03-29 22:31 EDT-0400

[Deleted]

You are picking an unlocked cpu and you go with a really low end motherboard, you need a Z97 there. The gpu might have been on sale as some other parts but apparently not anymore.
So if you want an unlocked setup this would be the way to go, unfortunately you'd have to invest a little more:

PCPartPicker part list / Price breakdown by merchant

CPU: Intel Core i5-4690K 3.5GHz Quad-Core Processor ($227.99 @ SuperBiiz)
CPU Cooler: be quiet! Shadow Rock 2 87.0 CFM Rifle Bearing CPU Cooler ($44.99 @ NCIX US)
Motherboard: ASRock Z97 PRO4 ATX LGA1150 Motherboard ($89.99 @ Micro Center)
Memory: G.Skill Ares Series 8GB (2 x 4GB) DDR3-1600 Memory ($54.99 @ Newegg)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($52.75 @ OutletPC)
Video Card: MSI GeForce GTX 960 2GB Video Card ($194.99 @ Amazon)
Case: Corsair 200R ATX Mid Tower Case ($54.99 @ Micro Center)
Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply ($55.99 @ NCIX US)
Operating System: Microsoft Windows 8.1 (OEM) (64-bit) ($87.95 @ OutletPC)
Wireless Network Adapter: Gigabyte GC-WB867D-I 802.11a/b/g/n/ac PCI-Express x1 Wi-Fi Adapter ($29.99 @ SuperBiiz)
Total: $894.62
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-03-30 02:11 EDT-0400