Effective January 14, 2020 Microsoft will no longer support or update Windows 7. As time goes on this will mean new security threats will not be mitigated by windows security. Microsoft recommends upgrading to windows 10 to avoid these risks.
Protection of data should be your number one priority. QuickBooks 2020 and previous versions will install on Windows 7, however it is recommended that you upgrade your operating system to Windows 10 to protect any of the following forms of data: