600$ gaming pc with WINDOWS 10

PCPartPicker part list / Price breakdown by merchant

CPU: Intel Core i3-7100 3.9GHz Dual-Core Processor ($118.89 @ OutletPC)
Motherboard: Gigabyte GA-B250M-DS3H Micro ATX LGA1151 Motherboard ($73.98 @ Newegg)
Memory: G.Skill Aegis 8GB (2 x 4GB) DDR4-2400 Memory ($52.99 @ Newegg)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($48.60 @ OutletPC)
Video Card: Gigabyte GeForce GTX 1050 Ti 4GB Video Card ($137.99 @ SuperBiiz)
Case: Deepcool TESSERACT SW ATX Mid Tower Case ($38.99 @ SuperBiiz)
Power Supply: Corsair CXM 450W 80+ Bronze Certified Semi-Modular ATX Power Supply ($54.99 @ Jet)
Operating System: Microsoft Windows 10 Home OEM 64-bit ($88.58 @ OutletPC)
Total: $615.01
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-02-04 20:50 EST-0500
 
Solution
PCPartPicker part list / Price breakdown by merchant

CPU: Intel Pentium G4560 3.5GHz Dual-Core Processor ($70.98 @ Newegg)
Motherboard: Gigabyte GA-B250M-DS3H Micro ATX LGA1151 Motherboard ($73.98 @ Newegg)
Memory: G.Skill Aegis 8GB (2 x 4GB) DDR4-2400 Memory ($52.99 @ Newegg)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($49.99 @ Newegg)
Video Card: MSI Radeon RX 470 4GB ARMOR OC Video Card ($173.98 @ Newegg)
Case: Zalman Z3 ATX Mid Tower Case ($46.43 @ Amazon)
Power Supply: SeaSonic S12II 430W 80+ Bronze Certified ATX Power Supply ($46.98 @ Newegg)
Operating System: Microsoft Windows 10 Home OEM 64-bit ($92.99 @ Amazon)
Total: $608.32
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-02-04 20:51 EST-0500