upgrade high Sierra 10.10
how do I upgrade my high Sierra 10.10
MacBook Pro 13″, macOS 10.13
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Back up your data, check your applications for compatibility, and depending on which MacBook Pro model you have and its current OS, download El Capitan, High Sierra, Catalina, or Big Sur.
High Sierra is 10.13.
Yosemite is 10.10.
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