Pcie lane problems - Hardware

How do I check if my slot has 4 Pcie lanes or 2 - m 2 slot with pcie x4 lanes
➡️【Mk.com】✅कैसीनो गेम्स का एक समृद्ध चयन✅ और एक उपयोगकर्ता के अनुकूल इंटरफेस प्रदान करता है, जिससे खिलाड़ी कभी भी, कहीं भी अपने पसंदीदा कैसीनो गेम का आनंद ले सकते हैं। ✅  So basically, I keep hearing that NVMe cards need 4x PCIe lanes But then I keep seeing posts saying that they can run at 2x lanes m2 nvme slot lane slot , and the On the contrary, the L-series among others can only support cards using the PCIe standard in the WWAN slot

m24 slot As I said in the topic tittle I would like to know if there is a way to check how many Physical Pcie lanes my supports ,