Apple have released on update to their latest OS for the Mac. The update is a sequential update to improve security, stability and compatibility of your Mac.
- Backup your Mac (left click on the Time Machine symbol on your menu bar and select “Back Up Now”) or (System preferences > Time Machine > right click on the back up disk shown )
- Open App Store…
- Select Updates
- Select “install” next to macOS Sierra Update
The install takes around 20-30minutes depending on your internet connection speed and computer performance.