The final official driver versions for the Radeon HD 2600 are:
Package contains the following graphics drivers and dependent/required software for the products specified in the current version'
: Catalyst Software Suite v13.9 (released Oct 2013). Windows 8 : Catalyst Software Suite v13.1. Windows XP : Catalyst v13.4 Beta. Windows 10 & 11 Support
If official links are unavailable, third-party repositories host archived versions (use with caution):