Echo Mirage is a all purpose network proxy that uses DLL injection and function Hooks to reliably intercept and modify network traffic on the fly.

Windows 10 continuously check for new updates released by Microsoft. It consume lot of bandwidth and frequently ask for restart. Annoyingly it takes hours for installing the update.

$WINDOWS.~BT or $WINDOWS.~WS folder are created usually in the root of Windows installation drive when windows 10 is upgraded. This folder contains a backup of last version of Windows.

7zip is a free file archiving and file compression / decompression utility. 7zip is a free open source better alternative to both WinRAR and WinZip. It currently support over 45 formats.

If your PC is running low on space and its performance is gradually decreasing then it is time to run a disk cleaner. A good option was CCleaner but it is a paid product now. CCleaner best alternative is BleachBit.