In addition to a Minecraft account (not included; buy Minecraft here), your computer needs to have Minecraft installed.. A computer with the following minimum requirements should be able to play Python Temple.
Minimum Requirements: CPU: Intel Pentium D or AMD Athlon 64 (K8) 2.6 GHz RAM: 2GB GPU (Integrated): Intel HD Graphics or AMD (formerly ATI) Radeon HD Graphics with OpenGL 2.1 GPU (Discrete): Nvidia GeForce 9600 GT or AMD Radeon HD 2400 with OpenGL 3.1 HDD: At least 200MB for Game Core and Other Files Java 6 Release 45