DavidR
2
The license (license.avastlic) file would either be attached to the confirmation/receipt of purchase email or there would be a link in the email to where you can download the license file.
You need to save that license.avastlic file to your hard drive and double clicking on it should input the license into your free version.
However, I would suggest a clean install of AIS and insert the license file into that, as some people have had a problem going from the free to AIS version.
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Download the latest version of avast AIS 6.0.1203 http://files.avast.com/iavs5x/setup_ais.exe, save this to your hard drive where you can find it later. Use that when you reinstall.
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Download the avast! Uninstall Utility, aswClear.exe find it here and save it to your HDD (it has uninstall tools for both 5.x and 6.0.x).
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- Now uninstall avast! (using add remove programs, if you can’t do that start from the next step), reboot.- 2. run the avast! Uninstall Utility from safe mode, first for 5.x if previously installed and then for 6.0, once complete reboot into normal mode.- 3. install the latest version, reboot.
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Obviously before doing any of this you want to have got hold of your license file. However, that said if you did a clean install as above, you would have time to get and input your license file (though the clock starts ticking on the license period from purchase).