According to the Undertale Wiki , the primary fixes included:
Minimum: OS *: Windows XP, Vista, 7, 8, or 10. Memory: 2 GB RAM. Graphics: 128MB. Game Information - Undertale Wiki Plik: Undertale.v1.08.zip ...
Released around 2016–2017 (depending on the platform), version 1.08 was the definitive "current" version for PC (Windows/Mac) for several years. It was eventually superseded by version 1.11 on the Nintendo Switch to accommodate console-specific features. Key Changes in 1.08 According to the Undertale Wiki , the primary