Safe and reversible
Before every change M4k saves the original value. Switch a tweak off and the Windows default comes back; uninstall and everything goes back to how it was.
M4k Optimizer applies the tweaks competitive players do by hand on Windows, CPU, GPU and network. Every change saves the original value and can be undone in one click.
The free version never expires. No telemetry, no ads.
No made-up FPS promises: every tweak says what it changes, and you choose.
Before every change M4k saves the original value. Switch a tweak off and the Windows default comes back; uninstall and everything goes back to how it was.
Core parking, CPU power states, MSI interrupts, NVIDIA driver profile and AMD settings: offered based on the hardware you actually have.
When you start a game it switches to the highest-performance power plan and raises the process priority. When you quit, it puts everything back.
Finds the fastest DNS from your connection and measures bufferbloat: the lag you feel when someone at home is downloading or streaming.
Competitive settings for Fortnite, Valorant, CS2, Apex and Warzone, with a copy of the original file to restore whenever you like.
A Windows restore point in one click, and quick repairs for audio, network and graphics driver.
Start free. Go PRO when you want the tweaks for your hardware.
That's €4.17 a month. Compared with paying monthly you save €21.89, that's more than 3 months free.
Rather pay month by month? €5.99 a month.
Cancel any time from the customer portal. Payments are handled by Polar.
Your subscription is tied to your Discord account: no keys to copy, no new passwords.
Pay securely with Polar, from the button above.
After paying, link your Discord account: you get the premium role in the M4k server.
In M4k open License and press “Sign in with Discord”. PRO turns on by itself.
Yes. Every tweak saves the original value: switching it off returns the Windows default, uninstalling M4k restores how it was before. The exceptions, which the app tells you about first, are removing pre-installed apps and turning off BitLocker.
Because it changes system settings (registry, power plans, services). M4k has no telemetry: it only goes online to check your plan, look for updates and, when you start them, for the network tests and the Microsoft Store page.
Yes. Only one tweak, turning off Memory Integrity, is incompatible with Vanguard and FACEIT: it never turns on by itself, and the app explains it before you enable it.
On one PC at a time: the subscription is personal. If you change computer, press “Transfer to this PC” on the License page: it can be done once every 30 days. Also, a PC you haven't used for 7 days frees up by itself.
It is your M4k account. Signing in with Discord makes you join the community server and get the user role, which unlocks the Free plan; if you're a subscriber, PRO turns on by itself, with no key to keep. We only receive your Discord account's ID and name, never your email or password.
M4k goes back to “Unverified”: the changes already made stay and you can always undo them, but to apply new ones you need to rejoin the server.
From Polar's customer portal, whenever you like. PRO stays on until the end of the period already paid; then M4k returns the PRO tweaks to the values you had before.