Windows 11 can run on 1GB of ram without constant paging. Also, right now its uses 572 MB of memory while im writing this! : r/Windows11
Memory RAM 1x 1GB Apple - Mac Pro Quad Core Early 2009 DDR3 1066MHz ECC UNBUFFERED DIMM | MB980G/A | RAM MEMORY \ MEMORY FOR APPLE \ APPLE MAC PRO \ Mac
Samsung 1GB DDR RAM PC2700 184-Pin DIMM at Amazon.com
We answer: Can Windows 10 run on 512 MB/ 1 GB/ 2 GB RAM?
2GB KIT 2 x 1GB HP Compaq Business nx6110 nx6115 nx6120 nx6125 Ram Memory 5053462011720 | eBay