here you go! 😉
Icon size change for WinXP...
1.) Recommend changing your vertical and horizontal icon spacing to 72 (Display Properties->Appearance->Advanced->Item) before changing your icon size to 128x128, otherwise, your icons will overlap.
2.) Start Menu->Run->"regedit"(to open registry)->HKEY_CURRENT_USER\ Control Panel\ Desktop\ Windowmetrics. Look for the Shell Icon Size Key. It will be set to match your current icon size. Right click on the key and Modify. Change the Value Data to 128. Hit OK. Exit regedit, log out of WinXP, log back in. Your icons should be HUGE in any resolution smaller than 1280x1024.
However, the change to 128x128 is universal, meaning that ALL icons on your machine will be 128x128.. including start menu... so i suggest that you have 72x72 or 96x96...
😀