Replying to How long Will my Macbook pro Retina 15 inch Last?

hey so i was wondering how long will my computer last before it gets outdated or to slow to run things? here are the specs:

Processor 2.4 GHz Quad-core Intel Core i7 processor (Turbo Boost up to 3.4GHz) Cache 6MB shared L3 cache Memory 8GB of 1600MHz DDR3L SDRAM Graphics Intel HD Graphics 4000 and NVIDIA GeForce GT 650M with 1GB of GDDR5 memory Storage1 256GB Flash Storage Wireless Wi-Fi (based on IEEE 802.11n specification)2 Bluetooth 4.0 wireless technology Expansion MagSafe 2 power port, Two Thunderbolt ports (up to 10 Gbps), HDMI port, Two USB 3 ports (up to 5 Gbps), one SDXC card slot Video and Audio FaceTime HD camera; Thunderbolt ports with support for DVI, VGA, and dual-link DVI (requires adapters, sold separately)

Stereo speakers, dual microphones, headphone port (Support for Apple iPhone headset with remote & microphone and support for audio line out [digital / analog]). Size and weight Height: .71 inches (1.8 cm)
Width: 14.13 inches (35.89 cm)
Depth: 9.73 inches (24.71 cm)
Weight (standard configuration): 4.46 pounds (2.02 kg)3