Imposssible to download the model (Optimization Guide On Device Model)

Hello,

It has been impossible to download the model (Optimization Guide On Device Model) in my chrome dev or chrome canary even when I am using the right version and follow below instructions (in the link), what to do? thanks

https://docs.google.com/document/d/1VG8HIyz361zGduWgNG7R_R8Xkv0OOJ8b5C9QKeCjU0c/edit?tab=t.0#heading=h.witohboigk0o