I want to know the maximum RAM capacity support for both Windows 10 Home Edition and Professional. If I’m using 64GB RAM, do I need to buy Windows 10 Professional version?
How much RAM does each edition of Windows 10 support?
| Edition | Amount |
| Windows 10 Home 32 bit | 4 GBs |
| Windows 10 Home 64 bit | 128 GBs |
| Windows 10 Pro 32 bit | 4 GBs |
| Windows 10 Pro 64 bit | 512 GBs |
| Windows 10 Enterprise/Education 32 bit | 4 GBs |
| Windows 10 Enterprise/Education 64 bit | 512 GBs |
For a complete breakdown:
What are the editions of Windows 10 available?
Resource: How to know the Edition, Architecture, Channel and build of Windows 10 installed.