Yes you can as long as you have a 64 bit CPU. The Windows 10 license applies to the 32 bit and 64 bit installations. So you do not have to purchase another copy of Windows 10.

https://www.windowscentral.com/how-upgrade-32-bit-64-bit-version-windows-10

Support page for the 3010 which does include Windows 10 64 bit drivers.

https://www.dell.com/support/home/ca/en/cabsdt1/product-support/product/optiplex-3010/drivers

ok thanks when i plug in my usb will it erase my things inside the usb