Avast Premier Antivirus 2018.21.0.0261 Final System Requirements + Key: ===================== Minimum: Processor: Pentium 4 3.0 GHz Memory: 1 GB for XP / 2 GB for Vista Graphics: 128 MB DirectX 9 compatible video card, Shader Model 2.0. ATI X800, NVidia 6600 or better Hard Drive: At least 13 GB of free space Sound Card: DirectX 9.0c compatible sound card Recommended: Processor: Intel core 2 duo 2.4 GHz Memory: 1 GB for XP / 2 GB for Vista Graphics: DirectX 9 compatible video card with Shader Model 3.0. Hard Drive NVidia 7600, ATI X1600 or higher: At least 13 GB of free space Sound Card: DirectX 9.0c compatible sound card Languages: English, French, German, Portuguese (Brasilero)