The game uses the Portal 2 engine branch and has relatively low requirements. Minimum Requirement Windows 7 / Vista / XP (Steam now recommends Windows 10+) Processor 3.0 GHz P4, Dual Core 2.0 or higher Memory Graphics 128 MB VRAM, DirectX 9-compatible (NVIDIA GeForce 7600+) Storage 4.5 GB available space Troubleshooting Common Issues
The official and safest way to download this mod is through the Thinking with Time Machine Steam page . Thinking with Time Machine Download PC Game
Right-click the game in your Steam Library, select Properties > Local Files , and click Verify integrity of game cache . Thinking with Time Machine on Steam The game uses the Portal 2 engine branch