This wasn't necessary back in the years of Tiger or Snow Leopard, but it is today, if you want the level of stability you were used to (and still.
But most people who you're reading to in this thread won't update to High Sierra soon, as we typically update on summer, to get the most stable version of each MacOS release. Downloading Mac OS X Installers from App Store Purchases Open the App Store Go to the Purchases section (newer App Store versions must go to Account >. 3) Open VMware Workstation Pro & Click On File>Open.
It's quite the opposite: Some users find it exciting to upgrade to High Sierra. Instructions: 1) Install VMware Workstation Pro (Do Not Launch) 2) Now Run win-install.bat As Administrator From Vmware Unlocker Folder. I remember when OS X was out, many people stayed on OS 9 because it did what they wanted and no reason to upgrade to a system you just don't know how it works. This is especially true when you use a machine with specific software combination for business or any kind of work. Diskmaker will format (remove all any files stored on the removable storage. Simply download macOS installation dmg file from Apple App Store, download Dismaker X, and insert a 8GB USB pendrive (preferably with USB3 interface). Why risk losing functionality on features and enhancement you probably don't need or sometimes might be annoying. I also suggest to create a USB installation disk of Sierra, in case something goes wrong before performing the upgrade. One thing life taught me, if your machine is working just as you like, don't update it.