The latest retail patches for the German version are Patch v1.30 for the base Gothic II and Add-on Patch 2.6 for the Night of the Raven expansion. All English versions and German digital distribution versions already include the latest patches.
Gothic ½ — SystemPack is a fan-made patch, which fixes compatibility issues and adds features. Instructions and download. Requires PlayerKit 2.8, which the instructions include as a separate installer.
A fan-made renderer which adds a wide variety of additional DX11 graphical features, such as hardware tessellation, full dynamic lighting, HBAO+, and more. Can also noticeably improve performance on modern systems, as it replaces the CPU-intensive view culling code. Instructions and downloads available here. Recommended to be used in combination with the SystemPack.
Disable display scaling on high DPI settings.