You will need to download a specific toolset onto your Windows PC. Ensure you source these from reputable Android development forums:
: Essential for the PC to recognize the tablet when connected via USB cable. Procedural Overview The standard rooting process for the follows these high-level steps: T561 Root File 4.4.4
The Ultimate Guide to Rooting the Samsung Galaxy Tab E (SM-T561) on Android 4.4.4 KitKat You will need to download a specific toolset
Download (a free utility available via APK archival sites or app stores). Open Root Checker and tap Verify Root . Open Root Checker and tap Verify Root
Use the volume keys to navigate to (or Wipe > Factory Reset in TWRP) and select it using the Power key.
Reinstall the Samsung USB drivers, switch to a different USB port (preferably a rear USB 2.0 port), or replace your USB cable.