Uninstall or Reinstall Google Chrome from Mac
To uninstall and re-install Chrome from a Mac, first, you will have to delete the application then the application folder to uninstall, and then you can install Chrome again by dropping the DMG file into the Application folder.
Step 1) Firstly, open the Applications folder on your Mac and find the Google Chrome application. Also, open up the Trash folder, now just drag and drop the Google Chrome file from the Applications folder to the Trash folder to delete it. Alternatively, you can select the Google Chrome application and right-click, select the Move to Trash option.

Step 2) The Chrome application is deleted, now you will have to delete the Library. Therefore, click on the Go option from the Menu bar and select the Go to Folder option. Type the path ~/Library/Application Support/Google/Chrome in the search box and hit the Go button. Delete all the files associated with Google Chrome browser.

Deleting this particular directory will erase all the Chrome customization, bookmarks, cache, cookies, etc. from your MacBook.

Step 3) Now, to install Chrome again, launch your Safari browser and go to the official Google Chrome site. Download the googlechrome.dmg file, now drag and drop the file to the Applications folder, and the Chrome is installed on your Mac OS.
Uninstall or Reinstall Google Chrome in iOS
Uninstalling and Installing s very simple in iOS devices, the only thing you need is a good internet connection.
Step 1) Unlock your iPhone, select the Google Chrome icon, and hold it until 3D options start floating.

Step 2) Select the Delete App option to confirm the uninstallation.
Note: To install Chrome again, launch the App Store, search for Google Chrome, Get and Install the app.
Uninstall or Reinstall Google Chrome From Android
To uninstall Google Chrome, simply go to the Settings App>Apps or Application, then select Google Chrome from the app list. Now, if you see any Uninstall option, then tap on it to uninstall Chrome.
Note: If Google Chrome is not uninstalling then you can follow our Remove All Google Apps and Bloatware from any Android device to remove Chrome from your Android device without root access.

For some devices uninstalling Chrome means uninstalling all the Chome updates and rolling back Chrome to its previous version. Like others, you can download the Google Chrome APK file from the Google Play Store, or from the official Google Chrome site.
Conclusion
Though Chrome is the most popular and fastest browser, but it has a few flaws. To repair the flaws, you can either update Chrome or reinstall it. Though Chrome supports multiple operating systems, we have discussed how to uninstall and reinstall Chrome from an iOS, Android, Windows, and Mac OS devices.
Uninstalling Chrome from iOS and Android is very similar. However, for some Android devices, Chrome is a native app, and you can’t uninstall it. To reinstall Chrome on an iOS device and Android, just visit the Chrome official site or go to the App Store or Play store.
You can uninstall Chrome in windows, via Control Panel, go to the Uninstall Programs option select Chrom and uninstall it. To reinstall, download the executable file from the official Google Chrome site. For Mac, just drag and drop the Chrome and Library folders to the trash bin and reinstall Chrome via dragging and dropping the DMG file to the Applications folder.