Si pasas por la pagina de Ubisoft o lo bajas desde el U-play launcher podes bajar el juego hasta el 8 de septiembre como se ve en la imagen .

Te dejo el link para descargarlo pero paciencia pesa mas de 47 gigas.
https://store.ubi.com/ie/game?pid=56c494ad88a7e300458b4d62&dwvar_56c494ad88a7e300458b4d62_Platform=pcdl&edition=Standard%20Edition&source=detail
Te dejo los requisito mínimos y óptimos para poder correrlos
MÍNIMO
- SISTEMA SOPORTADO: Windows® 7, Windows 8.1, Windows 10 (64-bit versions only).
- Processor: Intel Core i5-2400 | AMD FX-6100, or better.
- RAM: 6GB
- Video Card: NVIDIA GeForce GTX 560 with 2 GB VRAM (current equivalent NVIDIA GeForce GTX 760) | AMD Radeon HD 7770 with 2 GB VRAM, or better.
- Notebook support: Laptop models of these desktop cards may work as long as they are on-par in terms of performance with at least the minimum configuration. For an up-to-date list of supported hardware, please visit the FAQ for this game on our website: http://support.ubi.com
- DirectX: Version 11
- Hard Drive Space: 40 GB available space.
- Optical Drive: DVD-ROM Dual Layer.
- Peripherals Supported: Windows-compatible keyboard, mouse, headset, optional controller.
- Multiplayer: Broadband connection with 256 kbps upstream, or faster.
- Warning: Single player mode requires an internet connection.
RECOMENDADO
- Sistema Soportado: Windows® 7, Windows 8.1, Windows 10 (64-bit versions only)
- Processor: Intel Core i7-3770 | AMD FX-8350, or better.
- RAM: 8GB
- Video Card:NVIDIA GeForce GTX 970 | AMD Radeon R9 290, or better
- Notebook support: Laptop models of these desktop cards may work as long as they are on-par in terms of performance with at least the minimum configuration. For an up-to-date list of supported hardware, please visit the FAQ for this game on our website http://support.ubi.com
- DirectX: Version 11
- Hard Drive Space: 40 GB available space.
- Optical Drive: DVD-ROM Dual Layer.
- Peripherals Supported: Windows-compatible keyboard, mouse, headset, optional controller.
- Multiplayer: Broadband connection with 512 kbps upstream, or faster.