This applies to macOS High Sierra(10.13) and Mojave(10.14) and Catalina(10.15).
After SentinelOne has been installed on your computer, you may see this pop-up:
![](/cunews/finearts/digital-arts/software/sentinel-one-system-extension-blocked/_jcr_content/parsys/image.img.png/1645718876776.png)
And this new icon in the Apple menu bar near the clock:
![](/cunews/finearts/digital-arts/software/sentinel-one-system-extension-blocked/_jcr_content/parsys/image_1315248293.img.png/1645718876926.png)
If you click on this new icon, you will see this:
![](/cunews/finearts/digital-arts/software/sentinel-one-system-extension-blocked/_jcr_content/parsys/image_351862297.img.png/1645718877130.png)
To finalize the installation of SentinelOne, you need to open "System Preferences" then "Security & Privacy".
Where it says "System software from developer "Sentinel Labs Inc." was blocked from loading", click "Allow".
![](/cunews/finearts/digital-arts/software/sentinel-one-system-extension-blocked/_jcr_content/parsys/image_1392471765.img.png/1645718877394.png)
Once done, the icon in the Apple menu bar near the clock will change to this:
![](/cunews/finearts/digital-arts/software/sentinel-one-system-extension-blocked/_jcr_content/parsys/image_1942604184.img.png/1645718877573.png)
If you click on the icon, you will now see this:
![](/cunews/finearts/digital-arts/software/sentinel-one-system-extension-blocked/_jcr_content/parsys/image_1641463776.img.png/1645718877761.png)
SentinelOne is now active and protecting your Mac.