Minimum system requirements for AVG:

Processor: Intel Pentium 1.5 GHz or faster
Memory: 512 MB of RAM (Windows XP) / 1024 MB of RAM (Windows Vista, Windows 7, Windows 8/8.1 and Windows 10)
Hard disk free space (for installation):

• AVG AntiVirus Free: 1200 MB
• AVG AntiVirus: 1300 MB
• AVG Internet Security: 1300 MB

Recommended system requirements for AVG:

Processor: Intel Pentium 1.8 GHz or faster
Memory: 1024 MB of RAM
Hard disk free space (for installation):

• AVG AntiVirus Free: 1500 MB
• AVG AntiVirus: 1600 MB
• AVG Internet Security: 1600 MB