Warning: Do not attempt to install the original "Zoner.exe" companion app. It contains a 2007 rootkit that modern antivirus software will flag as a "PW.Psylock" variant.
For the full "XP-Stalker" experience, users often paired the theme with the Rainmeter skinning tool to add real-time radiation-style "system monitors" on the desktop.
A PDA "beep" or a static-filled radio transmission. Recommended Tools
If you prefer not to patch system files, you can still capture the essence:
The Stalker theme for XP is a benchmark for game-to-OS theming. It influenced later Windows 7/10 "dark mode" trends and remains a nostalgic artifact of the XP modding golden age (2005–2012).