1. Disable unnecessary service and heavy performance programs.
2. Make sure there is enough free disk space, especially C drive.
3. Defrag hard disk.
4. Upgrade OS.
5. Check and remove viruses and malware.
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If you’ve used the computer for years, you can replace an SSD, or even buy a new one directly. ([link|https://www.minitool.com/news/how-to-speed-up-mac-running-slow.html|more details])
+
If you’ve used the computer for years, you can replace an SSD, or even buy a new one.
Here are some advices:
1. Disable unnecessary service and heavy performance programs.
2. Make sure there is enough free disk space, especially C drive.
3. Defrag hard disk.
4. Upgrade OS.
5. Check and remove viruses and malware.
If you’ve used the computer for years, you can replace an SSD, or even buy a new one directly. ([link|https://www.minitool.com/news/how-to-speed-up-mac-running-slow.html|more details])
Hope for a best result.