This doesn’t permanently weaken your system’s trust store.

Run the following command (replace R2R.crt with the exact name of your file): certutil -addstore -f "Root" R2R.crt Use code with caution.

: Find the file named R2RCA.cer (or similar) provided in your software package.

If you still want technical steps for educational/analysis purposes only (e.g., in an isolated VM):

Double-click the certificate file. A "Certificate Information" window will open. Click the Install Certificate... button at the bottom. Select Store Location:

Microsoft’s built-in Windows Sandbox creates a temporary, isolated Windows environment. Any certificate installed inside the sandbox disappears when you close the sandbox. This is perfect for one‑time use of keygens.

Installing the Team R2R root certificate is a textbook example of trading long‑term security for short‑term convenience. Make that trade carefully.

Restart your computer. The certificate is now active.

Press Win + R on your keyboard, type certlm.msc , and press .

After removal, any R2R‑signed file will once again be untrusted.

Windows will display a stark warning asking if you want to install a certificate from an unverified source. Click Yes to confirm. Method 2: Installing via the Windows Command Prompt (CLI)

There are two ways to do this: The automatic method (via a batch file) and the manual method (via MMC). The is safer because you see exactly what Windows is doing.

If successful, the command line will output: CertUtil: -addstore command completed successfully. Verifying the Installation