How should i pick an SMBIOS (before you link the opencore guide, i have read it and did not understand one single thing)

How should I pick a SMBIOS, I have a Lenovo ThinkPad T480.

The Specs:

• Processor: Intel Core i7-8650U 1.90GHz

• Memory: 8GB DDR4 RAM

• Hard Drive: 512GB Solid State Drive

• Display: 14″ FHD (1920 X 1080)

• Graphics: Intel UHD Graphics 620

• Software: Windows 11Professional (64-Bit)

• Ports: USB 3.0, HDMI, USB Type C, Thunderbolt, RJ-45, SD Card Reader, Smart Card Reader, Nano Sim

• Connections: WiFi, Bluetooth, LTE, Web Camera