<aside> ⚠️ Do not edit registry values unless you know what you’re doing or are extremely careful. Always backup registry values before making any edits.
For general, non-technical system edits, see Windows Tips & Tricks
</aside>
Num Lock on by defaultHKEY_USERS\\.DEFAULT\\Control Panel\\Keyboard
Change (Default) to 2
If you want to directly open the last active windows within an open app in the taskbar, you need to hold the CTRL key while clicking it.
Changes below take away CTRL requirement:
HKEY_CURRENT_USER\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Explorer\\AdvancedLastActiveClick1Copy to & move to context menu

HKEY_CLASSES_ROOT\\AllFilesystemObjects\\shellex\\ContextMenuHandlers
Right-click folder highlighted above → new key → paste the two keys below
{C2FBB630-2971-11D1-A18C-00C04FD75D13}
{C2FBB631-2971-11d1-A18C-00C04FD75D13}
3D Objects folderDelete the sub-keys mentioned below: