And the system improves productivity with memory-intensive tasks, such as virtual machines, video editing, Office-working, and web browsing when dealing with a lot of open tabs. With the additional access to memory, you can run more apps simultaneously and improve performance. If you want to actually use more than 4GB of RAM resources, probably you need a 64-bit version of Windows. If you installed many applications at the same time, “ your computer is low on memory” error message may appear. Why change 32 bit to 64 bit of Windows OS? This is because the 32-bit version is limited to 4GB of RAM (Ramdon Access Memory), which is a small amount these days when PCs usually have 8GB or more. If you have installed a 32-bit operating system, you may change it to a 64-bit system. But most of you may choose to install the 64-bit version instead of the 32-bit version. When installing Windows 7, 8 or Windows 10, you can choose to install 32-bit or 64-bit version of Windows. The 32-bit version is also known as the x86 version while the 64-bit version is known as the 圆4 version. Microsoft offers both 32-bit and 64-bit versions of Windows 10/8/7. Why Upgrade 32 Bit to 64 Bit in Windows 10/8/7 Upgrade Windows 10 32 Bit to 64 Bit FAQ.How to Convert 32 Bit to 64 Bit Windows 7/8/10 without Data Loss.Why Upgrade 32 Bit to 64 Bit in Windows 10/8/7.