Sony just released the Xperia X driver for your windows PC, and it’s plenty helpful to have the correct driver installed whether you are looking at a simply job of file transfer from PC to device or vice versa, or looking to install a firmware or recovery or anything.

Without the correct drivers for your Xperia X, you cannot connect your device to PC, without which lot of fun could be missing.

→ Download Xperia X driver

The above are USB driver for your Xperia X, and should work fine on Xperia XA and Xperia X Performance too.

BTW, if you are looking to work on ADB, here are the ADB drivers for Xperia X.