ClockX — frequently asked questions

ClockX (also written ClocX) is a free desktop clock application for Windows developed by Bohdan Rylko. It places a fully customizable floating clock on your Windows desktop with alarms, countdown timers, world clock and 400+ analog and digital skins. It has been available since 2007 at clocx.net.

Yes, completely free. No trial period, no Pro version, no subscription. The developer asks only that you consider disabling your ad blocker on the official clocx.net website, as ads are the only source of income for the project.

ClockX 1.6.0 (64-bit) supports Windows 10 and Windows 11. The 32-bit build (ClocX160.exe) runs on Windows XP SP2, Vista, 7, 8 and 8.1 as well. See the Windows 11 guide.

ClockX 1.6.0 is the current stable release and works correctly on Windows 10 and 11. It has been stable for several years. The developer has not announced end-of-life. For the latest news, check clocx.net/whatsnew.php.

ClockX is written in C++, which is why it is extremely lightweight — small binary size, fast startup, minimal RAM usage. This is a deliberate design choice by the developer to keep the app efficient on all hardware.

Yes. ClockX is developed by Bohdan Rylko and distributed at clocx.net since 2007. The installer contains no adware, spyware or toolbars. This site links to the official installer or a partner download gateway that redirects to the official source. You can verify the file at VirusTotal if you want extra assurance.

SmartScreen warns about programs from publishers without a paid code-signing certificate. ClockX is a legitimate application from an independent developer — the warning does not indicate malware. Click More info → Run anyway to proceed. See the install guide.

If you are on Windows 10 or 11 on a modern PC, download the 64-bit version (ClocX160_x64.exe). To check: Settings → System → About → look for "64-bit operating system". Almost all PCs sold since 2010 are 64-bit.

Standard install (~4 MB): 24 PNG + 7 BMP clock skins. Full install (~21 MB): adds 98 more PNG and 69 more BMP skins, 400+ total. Recommended: Full install for the complete skin selection. You can also download additional skin packs later from clocx.net.

Under one minute. Download the installer, double-click it, click through the setup wizard (3–4 steps), and ClockX appears on your desktop automatically. See the full install guide.

Right-click the clock → Style. A list of installed skins appears. Click any skin name to apply it immediately. Full details in the skins guide.

Right-click the clock → Alarm → New alarm. Set the time, choose a sound or action (play audio, show window, launch app or shutdown PC), optionally set recurring days, click OK. Full details in the alarms guide.

Each ClockX instance can show a different timezone. Start a second instance from Start menu → assign a timezone in Options → Time Zone. Repeat for each timezone. See the world clock guide.

Right-click → Options → General → enable Auto-load with Windows. Choose per-user or all-users. Full guide at Startup guide.

Yes — right-click → Options → Transparency. Set the opacity level (0 = fully transparent, 256 = fully opaque). Enable mouse-over transparency to have the clock fade when your cursor is nearby.

Yes — right-click the clock and check Always on top. The clock will stay above all other windows. You can also use Click through mode so mouse clicks pass through the clock to windows behind it.

Check the system tray (bottom-right) → right-click the ClockX icon → Show. If no tray icon, open Task Manager and check if ClocX.exe is running. If it is running but invisible, the window may be off-screen — right-click the tray icon → Reset position. More help at the Help center.

ClockX must be running for alarms to fire. Enable auto-start with Windows. Also check Windows volume is not muted and the alarm has a sound file assigned. See the alarms guide troubleshooting section.

Windows Settings → Apps → Installed apps → find ClocX → Uninstall. Full step-by-step guide at Uninstall guide.

ClockX has no auto-updater. Download the latest installer from the Download page and run it over the existing installation. Settings and alarms are preserved. Full guide at Update guide.

ClockX the application collects no personal data — it runs entirely locally with no network calls. This website uses Google Analytics 4 with your explicit consent via the cookie banner. See the privacy policy for full details.

Yes. Some download links on this site may be affiliate/partner links — we may receive a small commission at no extra cost to you. The official ClockX installer is always available for free directly at clocx.net. See the affiliate disclosure.

No. This is an independent informational site about ClockX. We are not affiliated with Bohdan Rylko or clocx.net. We link to the official installer and provide guides and comparisons for users looking for a desktop clock for Windows.