Many customers don’t  know if CPU support 32bit or 64bit,today let’s take Celeron N2940 as reference.

First,let’s browse Intel offical website:intel.com and search Celeron N2940,then you can see the specification as below:

https://ark.intel.com/products/82104/Intel-Celeron-Processor-N2940-2M-Cache-up-to-2_25-GHz

In this page you can see below specification which means Intel Celeron N2940 CPU support 64bit.

When comes to this part,some customers will be confuse maybe in the past they buy from other supplier and the CPU is support 64bit but acturally when he install 64 bit OS but failure.Here’s the reason: Processors taht support 64bit computing on Intel architecture require an Intel 64 bit architecture-enabled BIOS,so is also depends on companoents as BIOS.But don’t warried,our mini pc N2940 BIOS is support 64bit,so you can choose install windows7 32 bit and 64bit as you like.