Open-source might not be the first thing you think of with Windows, but these free tools can seriously boost your productivity.

Need to use third-party programs to open files on your PC? Here's how to change file associations in Windows 10 and choose which apps open which file types.

It supports WIM files, RAR5 archives, UEFI BIOS files, ext2/ ext3/ ext4 images, GPT, VMDK, VDI images, and single file QCOW2. How to open RAR files in Windows 11/10 Download and install 7-Zip.

Microsoft's OneDrive now lets you view your files without having to download them using on-demand sync. Here's how it works.

ZIP files hold several compressed files inside, reducing how much space they take on your hard drive. They need to be unzipped to use the files, though. Here's how to do it.