EA has just revealed Battlefield 1's minimum and recommended PC specs, but they're not too demanding.
In order to run Battlefield 1 and minimum spec on PC, you can get away with using some outdated hardware like an AMD Radeon HD 7850 or a GeForce GTX 660, but you'll need at least a newer Skylake-series Intel i5 6600K CPU and 8GB of RAM. Recommended specs still aren't too demanding with DICE advising you to have at least a GeForce GTX 1060 or an AMD RX 480, 16GB of RAM, and an Intel i7 4790 or equivalent CPU.
OS: 64-bit Windows 7, Windows 8.1, and Windows 10
Processor (AMD): AMD FX-6350
Processor (Intel): Core i5-6600K
Memory: 8 GB RAM
Graphics card (AMD): Radeon HD 7850 2 GB
Graphics card (NVIDIA): GeForce GTX 660 2 GB
DirectX: 11.0 Compatible video card or equivalent
Online Connection Requirements: 512 KBPS or faster Internet connection
Hard-drive space: 50 GB
OS: 64-bit Windows 10 or later
Processor (AMD): AMD FX-8350 Wraith
Processor (Intel): Intel Core i7-4790 or equivalent
Memory: 16 GB RAM
Graphics card (AMD): Radeon RX 480 4 GB
Graphics card (NVIDIA): GeForce GTX 1060 3 GB
Battlefield 1 launches in just a few weeks on October 21 on PC.