Find answers to the most common questions about zkkTools
You can buy Premium directly on the zkkTools website. Click "Premium", choose an available billing interval, and complete the purchase with Stripe. After the server confirms payment, Premium is linked to the account used at checkout and a confirmation email is sent.
Sign in to zkkTools with the same account used at checkout. The app securely checks the subscription state; there is no activation code to copy or enter. If payment is pending, the account stays Free until it is confirmed.
Refund eligibility and timing depend on the plan and purchase status. Review the Terms and request an assessment through your account; never email a password or full license key.
Premium is subscription-based, with the billing intervals shown at checkout. Billing and management options are displayed before confirmation. The account remains Free while there is no active Premium subscription.
Most of zkkTools is free: Cleaning, the catalog of roughly 160 Tweaks across 8 categories, Uninstall, Task Manager, Restore Points, and automatic updates don't require Premium.
Premium includes Internet Diagnostics, Advanced Security, Custom Themes, System Diagnostics, Energy, System Checks, Game Settings and Drivers. See the feature comparison for access to each area.
Operating System: Windows 11 (Build 22000 or later)
RAM: 4 GB minimum
Disk Space: 100 MB
Connection: Internet, for activation and updates
Download official packages only from this site and verify the published SHA-256 hash. No software can promise zero risk; keep Windows Defender enabled and review actions before confirming.
Yes. Sign in to zkkTools with the same Google Account on each PC. From the "Devices" tab in your account on the website, you generate a connection code and type it into the app to link each new device, and you can also review devices already linked; this page does not advertise a fixed public limit.
Maintenance tools always involve some risk. zkkTools shows the impact before critical actions and offers restoration when technically available; keep a current backup of your data as well.
zkkTools browser cleanup works with Chrome, Edge, Firefox, Brave and Opera (including Opera GX). The website and account area work in any modern browser.
The amount varies with usage, applications and system state. zkkTools calculates a local estimate before cleanup; review selected items instead of treating any amount as guaranteed.
The tweak catalog is verifiable: every adjustment shows its impact before running and offers restoration when technically available. Simulated-only items are clearly labeled in the interface.
Registry cleanup should be used cautiously. Review the analysis, create a restore point and apply only changes you understand; no registry operation is risk-free.
How often you clean depends on how you use your computer. Run an analysis when needed, review the preview, and confirm only the items you want to clean. There is no fixed schedule to follow.
zkkTools checks for updates automatically every week. When an update is available you get a notification and can install it with one click. Premium users get priority access to feature updates.
Yes, by email through the official channels. Premium users get priority handling. zkkTools is provided as-is, with no guaranteed availability or response time — see the Service Level Agreement for details.
If you find a bug, use the "Report a Problem" option in the zkkTools Help menu, or email zkkTools support with details. Including the program logs (Settings → Diagnostics) helps us fix it faster.
We are here to help. Get in touch through the channels below.