The Salesforce online application can run on any computer with an Internet connection and supports the following browsers:
Google Chrome™, most recent stable version.
Mozilla® Firefox®, most recent stable version.
Microsoft® Internet Explorer® versions 9, 10, and 11. If you use Internet Explorer, use the latest version that Salesforce supports. Apply all Microsoft software updates.
Apple® Safari® Versions 5.x, 6.x, and 7.x on Mac OSX.