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Dual-Boot system Win 10 & Win 7 (now want to delete Win 7)

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  • Dual-Boot system Win 10 & Win 7 (now want to delete Win 7)


    I've had a dual-boot set-up for a long time now - Win 10 Pro (64-Bit) and Win 7 Ultimate (64-Bit). However, I haven't used Win 7 in years except to update and am always running out of space on Win 10 - down to the last 3.07 GB now. Therefore it makes sense to sacrifice Win 7 so that Win 10 can flourish with the extra 117GB. What is the safest and risk-free way to go about this: delete or reformat 7? Merge both partitions? Resize or extend Win 10? And so on.

    Yes, both o/s are on the same disk and adjacent to each other (please see screenshot below). Alas, as you are bound to ask, my poor old motherboard is too old for UEFI - rather, good old BIOS (by the way, I've got Paragon Partition Manager if it helps).

    Any advice would be appreciated. Many thanks.


    My tech specs:
    Windows 10 Pro (64-bit)
    Windows 7 Ultimate (64-bit)
    Intel Core2 Duo E8600 (3.4ghz)
    Abit IP-35 Pro (Rev. 2.00/BIOS v1.8 Beta) (Socket 775)
    8GB Corsair PC2-6400 800mhz XMS (4 X 2)
    PNY GTX 9700 XLR8 OC 4GB
    Corsair HX 620w PSU
    Hitachi CCTV DVR 7200rpm 64MB 2TB
    Samsung Evo 850 500GB SSD
    Sharkoon T9 Value
    Acer 24" X243H
    TP-Link Archer VR2008

    XP Home+Vista Ultimate (32-bit) \ Intel E6750 @ 3.47 \ Abit IP-35 Pro \ Antec 900 Ultimate Gamer \ Arctic Cooling Freezer 7 Pro \ 4 X 1GB Corsair PC2-6400 XMS \ XFX 8800GTS 320mb @ 575-1352-902 \ Samsung Spinpoint F1 1TB \ Plextor PX-740A \ Corsair CMPSUHX 620w PSU \ Speedtouch 510 v6