Step 1: Open the Terminal app on your Mac.
Follow the steps below to remove your Time Machine backups and then install Mac OS Bir Sur. You can temporarily clear out these Time Machine snapshots to solve the issue. Time Machine stores snapshots of your drive to assist with its next backup. If you have at least 50 GB of free space on your machine and Mac OS Big Sur still complains there isn’t enough space, Time Machine is likely the culprit. Otherwise, check that your device has enough free storage space on the main hard drive or solid-state drive to install the new OS properly - you will need 50GB of free space to proceed with the install. If you’re having problems installing MacOS Big Sur on your Mac, first ensure that you have a compatible machine (listed below). Problem: MacOS Big Sur won’t install on your machine Here are the most common MacOS Big Sur problems and how to fix them. What happens what you start to have problems, though? As with any operating system, MacOS Big Sur comes with its own issues.
Big Sur brings new abilities to the Mac, including a redesigned user interface, a significant update to Safari, and tweaks promised to increase performance and power efficiency. With the release of MacOS Big Sur, Apple leaves the world of MacOS X and enters a new generation - MacOS 11.
