For an old machine with 4 GB of RAM, is a 32-bit or 64-bit system faster?
10935
What are the differences between 32-bit and 64-bit, and which should I choose?
22398
Is it faster to have four times 2 GB or two times 4 GB of RAM with a dual-channel mainboard?
2028
How to check if a binary is 32 or 64 bit on Windows?
6377
Can 64-bit software run on 32-bit OS?
91630
How can a computer/OS tell what kind of RAM is in the machine?
31869
64 bits OS on a 32 bits laptop computer
56683
Trick a 32-bit application into running on 64-bit system?
8244
Difference between the i386 download and the amd64?
47835
My processor is 64-bit - does that mean I need the amd64 image?
131903
Can Windows Virtual PC run a 64-bit OS?
945
What are the system requirements for each flavour of Ubuntu Desktop?
106440
How to fully use the 4 GB of RAM in my Laptop under Ubuntu 9.10 - 32-bit
33540
How can I switch a 32-bit installation to a 64-bit one?
125004
Do I have 32-bit or 64-bit?
66666
Will adding more RAM speed up my computer?
60765
Is there a technical reason why 32-bit windows is limited to 4Gb of RAM?
146258
What's the Best Operating System for Old Computer? Linux