Upgraded my 512MB RAM laptop to 1.5GB and installed windows 8.1 (going to upgrade to windows 10 soon : r/laptops
How well does Windows 7 handle 512MB? | ZDNET
Client: Hard Drive Space: 500 MB Operating System: Windows 7, Vista, or XP Processor Type: Intel® Pentium® x86 or compatible, x64, AMD64, Intel EM64T RAM: 256 MB (512 MB recommended)Server: Hard Dr
Windows 7 on a Pentium 4, 2.6Ghz 512MB RAM and 5200FX 128mb video - YouTube