In some regions (USA, Canada, Europe), Toyota offers a "Multimedia Update" section under your MyToyota account. To access:
Be aware: Toyota often only posts map updates for navigation units here. The NSCP-W62, being non-nav, may have no listed updates. Toyota Nscp-w62 Software Download
If your unit has map data, updates are often paid via maps.toyota.eu (previously Toyota Navigation Update Tool). In some regions (USA, Canada, Europe), Toyota offers
Here lies the biggest hurdle: Toyota does not host a public, user-friendly download portal for NSCP-W62 software. Unlike Tesla or some European automakers, Toyota distributes updates primarily through their dealership network. However, this does not mean the files are impossible to find. Be aware: Toyota often only posts map updates