Lost applicatrions

Dear Sir,
 
After downloading the free upgrade version of Windows 10 and having to revert to Window 7 due to the loss of many apps including my AVG Security Antivirus and Tune up.
I the tried to reinstall these programmes from your Rescue and Installation Disc which only resulted in 30 day trials for both, they have now expired.
These programmes were purchased in February 2014 for two years and were due for upgrade in February  2016.
Details as follows:
AVG-Avalanche Tech Beaumaris AU 14th Feb. 2014 Cost $69.99 AUD
AVG-Avalanche Tech Beaumaris AU 21st Feb. 2014 Cost $116.52 AUD
 
IMRS7-UG7J7-EDOVP-Q7PQH-LSICC-VJIXF
TMETE-2LELO-T39DN-A3ZDC-79XX7-63QFF
 
Please advise if they can be re-installed to continue for their paid period due in February 2016.
Computer running on Windows 8.1 at present.
 
Thank you for your attention,
 
Regards,
 
Gavin Dennison,
Tauranga NZ
64 7 5444196

Hello Gavin,

We understand your concern. In this case, we would request you to follow the instructions provided on the link to activate your products : http://avgread.me/1bsLsmy  and http://avgread.me/1FNQnGg.  If you are facing any difficulties in activating your products you can contact our AVG technical support team for further assistance using this link : http://avgread.me/1EnC2iK .Please feel free to get back to us for any issues with AVG.
Thank you .