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Check computer or laptop parameters (model of processor, RAM value and running version Operating System), if you have RAM less than 16 Mb or processor CPU frequency less than CPU frequency is less than 3,5 Ghz, you need to upgrade your hardware.
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2.2 If you have MacBook device: on the Mac, click the Apple menu in the upper-left corner of the screen and choose About This Mac. A window opens, displaying version of the running mac OS, and information about Processor and RAM:
2.3. Disk Space: Additionally, you should check how much free space is left on the system disk. Free space is needed for creating a swap file and saving cache files, if there is not enough free space, you should free it by deleting unnecessary files.
Do this under the supervision of your IT specialist so as not to disrupt the performance of your computer.
3. Checking Antivirus settings.
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