1. Double click the GNS3-1.3.9-all-in-one.exe file:
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2. If displayed, click the Run button to start the GNS3 installation:
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3. The GNS3 Setup wizard displays. Click Next > to start the installation:
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4. Click the “I Agree” button to continue the installation:
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5. Select the Start Menu folder for the GNS3 shortcut.
The default is the GNS3 folder.
Click “Next >” to continue the installation:
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6. GNS3 comes with various optional software. By default most software is selected for installation,
Uncheck: 1. Wireshark 2. SolarWinds Response and Click “Next >” to continue
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7. Click “Next >” to continue the installation:
Choose an install location. The default location is C:\Program Files\GNS3.
Then click Install:
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8. NOTE: If WinPcap is already installed, a warning message is displayed. It is not necessary to reinstall WinPcap.
Click Cancel if you do not want to reinstall WinPcap to and go directly to the next step or click OK to continue re-installing WinPcap:
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9. Click the “I Agree” button to continue with the installation:
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10. Leave the checkbox Automatically start the WinPcap driver at boot time checked and click Install:
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11. Click "Finish" to complete the WinCap installation:
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12. The GNS3 software is installed. Wait for the process to complete:
Once installation a Completed message is displayed.
Click Next > to continue:
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13. Select No and Next > to continue:
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14. Leave the Start GNS3 checkbox enabled and click Finish to complete the GNS3 installation:
Enjoy..... Congratulations! You have successfully installed GNS3.