updating ios
I need help installing Big Sur. Currently have High Sierraa
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Do NOT upgrade until you have made a Time Machine or other backup of your Mac's startup drive.
❗️ – IMPORTANT – Backup your data, now, before you attempt an upgrade.
Learn How to Back up your Mac with Time Machine:
https://support.apple.com/en-us/HT201250
❗️ – IMPORTANT – NONE of your 32-bit apps will work in Catalina or Big Sur.
https://support.apple.com/en-us/HT208436
Use this free utility to check the compatibility of your apps:
St. Claire Software – Go64: https://www.stclairsoft.com/Go64/