If I upgrade from x32 to x64, Will I loose everything on my pc?

If I upgrade from x32 to x64, Will I loose everything on my pc? I would upgrade using a bootable USB Drive... If I do this process will all the photos etc... I have right now go away or will they stay there?

You need to backup files first as the best way is to reformat if you copy them to one drive give them time to backup then they will come back on there own on the new system

Or create a separate partition at the end of the drive for the data files you want to keep and during the clean install of 64-bit Windows only delete all the partitions in front of it and then pick the resulting unallocated space to install to.

Depending on your PC, going from 32 to 64 bit may (or may not) be an 'upgrade'. If you only have 2Gb RAM then I would stick with 32 bit, and in fact I'm currently using the 32 bit version (by choice) with 4Gb RAM even though the 32 bit version can not use it all.

Can't say in my case that I notice much if any difference in speed comparing 32 and 64 bit but a big bonus is the smaller footprint of the 32 bit, and also the correspondingly smaller and quicker backups.

You cannot upgrade from 32-bit to 64-bit, it has to be a clean install. That means you will loose all your installed apps and data.

Before you start back up all your data, photos and documents, and make sure you have the install media and keys for any apps you'll need to reinstall.

You won't need a key for Windows 10. If your 32-bit Windows is activated your PC already has a digital licence stored on Microsoft's activation servers. This is valid for both 32 and 64 bits, but you must install the same edition as you had before (Home or Pro). If asked for a key, click 'I don't have one', Windows will activate automatically as soon as it can contact the activation servers.