
Change your taskbar size in Windows 11, use this registry key
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
With the following values:
Right-click to make a new DWORD value (32-bit) and name it TaskbarSi
Double click the key and give it one of the following values below.
0 = Small
1 = Medium / Default
2 = Large