That getting the last byte of ram won't speed up what you wrote about. In fact many 64 bit Windows users start to complain about compatibility issues.
What site made you thing moving to 64 bit would help your downloads?
I heard 32 bit doesnt use all 4 gigs like it claims
Hi my birthday is coming up and would like to know if windows vista would help me alot, I download ALOT, use the internet alot, schoolwork and play videogames.
My Computer Has:
Gateway - Model: FX7020
AMD Phenom 9600 Quad-Core Processor 5MHz (L1 cache: 64.0 Kb, L2 cache: 512.0 Kb, L3 cache: 0 Kb) Ext.clock: 1 MHz
Phoenix - Award WorkstationBIOS v6.00PG (26-Nov-2007)
Mother Board MCP61PM-GM MCP61PM-GM-6A61KCDHC-00 (Socket 940) sernum: OEM
500 Gigs of Hard Drive Space
NVIDIA GeForce 8800GT
2 PCI slots, Many open ports,
4 Gigs DDR2 Dual-Channle Ram