Macbook pro 13 inc 2015
how can I update my Macbook 2015 to the latestt
MacBook Pro 13″, macOS 10.12
An early 2015 through 2016 MacBook Pro can be upgraded to the latest version of Monterey macOS 12 but no later than that. See: How to download macOS - Apple Support
It is not compatible with the current macOS Ventura. See: macOS Ventura is compatible with these computers - Apple Support