Windows

1. Download the latest stable release of Firefox and run installation program
2. Accept the license agreement
3. Select standard mode for installation or Custom, make sure the application is installed on the default directory. C:\Program Files (x86)\Mozilla Firefox
   

Debian/Debian derived distributions

Using the package manager as root:

apt install firefox

Install Google Chrome

1. Download the installation file.
2. If prompted, click Run or Save.
3. If you chose Save, double-click the download to start installing.
4. Start Chrome:

If you've used a different browser, like Internet Explorer or Safari, you can import your settings into Chrome.