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Open the Sierra Desktop App folder on your C: drive
Find the file called iiirunner.lax
Open it in a text editor like Notepad or Notepad++
Change the number in line 72 to 1073741824 and save the file.
5. Restart Sierra.
Troubleshooting steps
| Tip |
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If your Sierra is still slow, then this limit on RAM was not the problem. |
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