I need to update my Mac to Mac Os Mojave 10.14 version

The Age of this computer will Govern to what version of macOS it Qualifies to install. About this Mac will provide the required Informations. With this information in-hand " How to get old versions of macOS " and verify what version can be installed. Be certain to use Only Safari to start the download as Others may not work.

Notations - Make a Time Machine Backup Before attempting. Also, Mojave it the Last macOS to still support 32 bit applications / extensions and drivers. Starting in Catalina and also in Big Sur - Only 64 bit is supported and there is no workaround. Once can use Go64 Application ( free and safe ) to scan for 32 bit applications and identify them