If you are already running Shock OS, upgrade to Shock OS 8.0 Holly.
The 64-bit image increases performance and allows full RAM utilization for systems with 4+ GB of RAM. Most software and hardware accessories are compatible. If you are using a Raspberry Pi 4 or 400, this will most likely be the best option.
For security reasons, verifying your image is highly recommended. Once installed, make sure the SHA256SUM of the file you downloaded matches the one here:
4967dcdd5d5c345ca0b336128aabdf0d25f963873a1343384a634f6a4c85d4c7
The 32-bit image has limited performance, and RAM usage is restricted for systems with 4+ GB of RAM. This image is offered to support older Pi models, as well as software and hardware accessories that are currently incompatible with the 64-bit release. If you are using a Raspberry Pi 3 or older, this will most likely be the best option.
For security reasons, verifying your image is highly recommended. Once installed, make sure the SHA256SUM of the file you downloaded matches the one here:
6087d27ebbbf3b1fb0b37110eaaee29a2d50e64999f326b86e21e05b494e6d4e