ProBook 455 G2: updating Win 7 to win 8.1

Hello. Recently became proud owner of HP Probook. It has Win 7 Professional 64 installed. But the information has indicated that "available through Windows 8.1 Pro download rights. This reads like the wrong way as my HP laptop came with Win 7 Pro already running?
I also received 2 discs win Pro 8.1 and App and Driver recovery DVD. My questions are: 1: if I switch to 8.1 win I will lose programs delivered HP pre-installed with my HP laptop? 2: after installation of the 8.1 Win will be I need a permit to run this and if so where it will be? Thank you in anticipation of answers :-)

Buz1 wrote:
Thank you once again, Erico

Tags: Notebooks

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