The system requirements for Burp Suite are largely dependent on your intended use for the software. While you can generally perform most tasks on a relatively low-spec machine, some use cases (for example, running multiple scans concurrently) may require significantly more power to run without a noticeable effect on performance.
While 2GB is the recommended minimum free disk space for a project, note that project files can get significantly larger than this (potentially up to many tens of GB), depending on factors such as the amount of proxy history included, the number of scans run, and the number of Repeater tabs open.
Burp Suite supports the latest versions of the following operating systems:
Burp Suite's embedded browser is not compatible with older versions of Windows, including Windows 7, Windows 8/8.1, Windows Server 2012, and Windows Server 2012 R2.