Once you've added the add-on to your Steam account, the 4 GB worth of files can not be uninstalled, as the files will re-download themselves automatically when starting Skyrim.Video Card: DirectX 9.0c compatible NVIDIA or AMD ATI video card with 1GB of RAM (Nvidia GeForce GTX 260 or higher ATI Radeon 4890 or higher).Make sure your system requirements exceed Skyrim’s recommended specs before attempting to install, including Windows Vista or 7 operating system, a minimum of 4GB of system RAM and a DirectX 9.0c compatible NVIDIA or AMD ATI video card with at least 1 GB of RAM and the latest drivers.- Steam Description Page System Requirements Official Summary Experience The Elder Scrolls V: Skyrim as you’ve never seen it before with the Skyrim High-Resolution Texture Pack.