My MacBook won't download MacOS Sonoma
Every time I try to download MacOS Sonoma from the App Store it brings me to software updates on settings and message appears saying "Update not found" then below in smaller says "The requested version of macOS is not available" how can I solve this as I need MacOS Sonoma for some work.
Mac details: MacBook Pro (Retina, 13-inch, Mid 2014) Processor 2,8 GHz Dual-Core Intel Core i5
Memory 8GB 1600 MHZ DDR3
Startup Disk macssd
Graphics Intel Iris 1536 MB
Storage 267,84 GB available of 499,93 GB.
MacBook Pro 13″, macOS 11.7