Portal 2
About this game
Sequel to the acclaimed Portal (2007), Portal 2 pits the protagonist of the original game, Chell, and her new robot friend, Wheatley, against more puzzles conceived by GLaDOS, an A.I. with the sole purpose of testing the Portal Gun's mechanics and taking revenge on Chell for the events of Portal. As a result of several interactions and revelations, Chell once again pushes to escape Aperture Science Labs.
Developed by · Published by ,
System requirements
Minimum
- OS *: Windows 7 / Vista / XP
- Processor: 3.0 GHz P4, Dual Core 2.0 (or higher) or AMD64X2 (or higher)
- Memory: 2 GB RAM
- Graphics: Video card must be 128 MB or more and with support for Pixel Shader 2.0b (ATI Radeon X800 or higher / NVIDIA GeForce 7600 or higher / Intel HD Graphics 2000 or higher).
- DirectX: Version 9.0c
- Storage: 8 GB available space
Common fixes for game issues
Haven't found a fix in the Bugs & solutions section above? These general steps often resolve crashes, freezes, and performance issues.
Update graphics drivers
Install the latest GPU drivers from NVIDIA, AMD, or Intel. Outdated drivers are a leading cause of crashes and visual glitches.
Verify game files
Use your launcher's "Verify integrity" option to repair missing or corrupted game files.
Run as administrator
Right-click the game executable and choose "Run as administrator" to fix permission-related launch or save issues.
Disable background apps
Turn off overlays and close heavy background apps to free RAM and reduce conflicts.