Before you begin installing Avast Premier, ensure you are logged into Windows with administrator permissions, no other programs are running in Windows, and any other antivirus software is fully uninstalled.
- Windows 10 except Mobile and IoT Core Edition (32 or 64-bit); Windows 8/8.1 except RT and Starter Edition (32 or 64-bit); Windows 7 SP1 or higher, any Edition (32 or 64-bit); Windows Vista SP2 or higher, except Starter Edition (32 or 64-bit); Windows XP SP3, any Edition (32-bit)
- Windows fully compatible PC with Intel Pentium 4 / AMD Athlon 64processor or above (must support SSE2 instructions)
- 256 MB RAM or above
- 2 GB free space on the hard disk
- Optimally standard screen resolution not less than 800 x 600 pixels is recommended.
- Avast Premier is not supported on Microsoft Windows Serveroperating systems, or any operating systems which are not specified.
- Please make sure to uninstall any old avast software to prevent conflicts