dreading having to upgrade my computer

[c=7700B2][i]not only because i will be without a computer for a period and won't be online....but because i'm upgrading from windows 7 to windows 10 and i have an awful lot of files, media files and data to move to windows 10, plus the computer shop guy i go to, he is quite abrupt and 'to the point' sort of a man...so it's not easy for me to get across to him what i want doing with my computer....being without a computer will kill me and not being online for a while.
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[c=7700B2][i]i'm going to ask the computer shop man to clone my c drive and would it be possible to get a dual boot up so can have windows 7 and windows 10, both together.....but as i said he is quite blunt, abrupt and to the point to deal with, so not sure how i will get it across to him.[/i][/c]