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It says I have to have at least 42 GB or more but as you can see I have 55 GB available. Tried looking online for solutions but all they say is time machine but I have never used this and the "Backup Automatically" is not selected. enter image description here

marked as duplicate by Tetsujin, Nimesh Neema, nohillside May 29 at 13:23

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  • Could you add to your question the model/year of your Mac? Also, what version of Windows are you trying to install? – David Anderson May 29 at 10:37
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The free space required by the Boot Camp Assistant to install Windows is larger than what is actually required. One question where this is documented is Mojave bootcamp assistant limits partition size. The answer to this question was to use the Disk Utility to create a partition for Windows, then install Windows the same way as any ordinary PC owner. The Boot Camp Assistant was only used to download the Windows Support Software.

In your case, I would first make sure all space being consumed by Time Machine is recovered. This can be done by executing the command given below in a Terminal Application Window. Basically, the command tries to reclaim any space taken by Time Machine by asking for a lot of space back. Once you have finished executing this command, go back and try using the Boot Camp Assistant to install Windows.

tmutil thinlocalsnapshots / 9999999999999

Other space issues related to installing Windows are documented in the accepted answer to the question: Installing Windows on MBP 2015 (Mojave) Using Boot Camp, Error: Not enough space!.

  • Yes I thought about doing that but I was unsure if that works. Should I give it a shot? – EB R May 29 at 11:08
  • Yes, if the tmutil thinlocalsnapshots / 9999999999999 command did not help. – David Anderson May 29 at 11:14

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