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Microsoft Operating System Software CDs

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  • Microsoft Windows XP Professional

    Microsoft Windows XP Professional

    (11)
    100% agree - Reliable
    $49.95 New
    $35.00 Used
  • Microsoft Windows 98 Second Edition (Retail) (1 User/s) - Upgrade for Windows 730-00848

    Microsoft Windows 98 Second Edition (Retail) (1 User/s) - Upgrade for Windows 730-00848

    (8)
    100% agree - Reliable
    $8.00 New
  • Microsoft Windows XP Professional (Retail (License + Media)) (1 User/s) - Upgrade for Windows E85-00087

    Microsoft Windows XP Professional (Retail (License + Media)) (1 User/s) - Upgrade for Windows E85-00087

    (15)
    92% agree - Reliable
    $24.99 New
    $22.99 Used
  • Microsoft Windows XP Home Edition with SP2 (Retail (License + Media)) (1 User/s) - Upgrade for Windows N09-00985

    Microsoft Windows XP Home Edition with SP2 (Retail (License + Media)) (1 User/s) - Upgrade for Windows N09-00985

    (10)
    90% agree - Reliable
    $28.50 New
    $15.00 Used
For Operating Systems
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  • Microsoft 2000 Professional (Retail (License + Media)) (1 User/s) - Full Version for Windows B23-00079

    Microsoft 2000 Professional (Retail (License + Media)) (1 User/s) - Full Version for Windows B23-00079

    (4)
    $129.00 New
    $39.00 Used
  • Microsoft Windows Server 2003 Enterprise Edition (25 Client/s)

    Microsoft Windows Server 2003 Enterprise Edition (25 Client/s)

    (3)
    $32.00 New
  • Microsoft Windows XP Home Full Version (License + Media) - Full Version for Windows x0848123 -OEM

    Microsoft Windows XP Home Full Version (License + Media) - Full Version for Windows x0848123 -OEM

    (1)
    $49.99 New
    $14.99 Used
  • Microsoft DOS 6.0 - Upgrade 147095V600

    Microsoft DOS 6.0 - Upgrade 147095V600

    (5)
    $26.05 New
    $15.00 Used
  • Microsoft Windows XP Professional

    Microsoft Windows XP Professional

    (11)
    $49.95 New
    $35.00 Used
  • Microsoft Windows 98 Second Edition (Retail) (1 User/s) - Upgrade for Windows 730-00848

    Microsoft Windows 98 Second Edition (Retail) (1 User/s) - Upgrade for Windows 730-00848

    (8)
    $8.00 New
  • Microsoft Windows Server 2003 Standard

    Microsoft Windows Server 2003 Standard

    $29.95 New
  • OEM Microsoft Windows 98 2nd Edition Booklet Product Key & Disc COA X04-15747

    OEM Microsoft Windows 98 2nd Edition Booklet Product Key & Disc COA X04-15747

    (1)
    $63.00 New

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Review highlights

Recommended by our customers

  • It's been superb since SP3 was added.

    By popjoh6

    Don't trust MS - this was the last O/S with understandable architecture, making of me a member of the 30+ % of the world... see all reviews

    Verified Purchase

    Microsoft Windows XP Professional W/ SP3 Full Operating System New W/ Key

  • Works great, SATA compatible

    By erf_of_doom

    The only 2 complaints I have are the outer box was smashed a bit, but the disk and product key were in perfect shape, an... see all reviews

    Verified Purchase

    Microsoft Windows XP Professional Upgrade Retail *EXCELLENT CONDITION*

  • Retro Computers OS of choice

    By sultanoswat

    The last OS to boot directly to DOS. The best true non NTFS Operating System. The choice of Retro Computer collectors, b... see all reviews

    Verified Purchase

    Microsoft Windows 98 Second Edition Upgrade for Windows 95 windows 3.1

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    • Format: CD- Selected
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    • MICROSOFT WINDOWS XP PROFESSIONAL w/SP3 FULL OPERATING SYSTEM MS WIN PRO =NEW= - Image 1 of 4
    • MICROSOFT WINDOWS XP PROFESSIONAL w/SP3 FULL OPERATING SYSTEM MS WIN PRO =NEW= - Image 2 of 4
    • MICROSOFT WINDOWS XP PROFESSIONAL w/SP3 FULL OPERATING SYSTEM MS WIN PRO =NEW= - Image 3 of 4
    • MICROSOFT WINDOWS XP PROFESSIONAL w/SP3 FULL OPERATING SYSTEM MS WIN PRO =NEW= - Image 4 of 4

    MICROSOFT WINDOWS XP PROFESSIONAL w/SP3 FULL OPERATING SYSTEM MS WIN PRO =NEW=

    New (Other) · Microsoft
    $142.45
    Was: $149.95was - US $149.95
    $4.95 shipping
    Only 1 left!
    M⁣T⁣ ⁣G⁣G⁣ ⁣C⁣O⁣Ѕ⁣ ⁣p⁣G⁣o⁣n⁣s⁣5⁣o⁣ ⁣P⁣r⁣⁣ ⁣⁣e⁣d⁣⁣⁣⁣
    • MICROSOFT WINDOWS 98 SE SECOND EDITION FULL OPERATING SYSTEM MS WIN 98SE =NEW= - Image 1 of 4
    • MICROSOFT WINDOWS 98 SE SECOND EDITION FULL OPERATING SYSTEM MS WIN 98SE =NEW= - Image 2 of 4
    • MICROSOFT WINDOWS 98 SE SECOND EDITION FULL OPERATING SYSTEM MS WIN 98SE =NEW= - Image 3 of 4
    • MICROSOFT WINDOWS 98 SE SECOND EDITION FULL OPERATING SYSTEM MS WIN 98SE =NEW= - Image 4 of 4

    MICROSOFT WINDOWS 98 SE SECOND EDITION FULL OPERATING SYSTEM MS WIN 98SE =NEW=

    Brand New · Microsoft
    $109.95
    Free shipping
    Only 1 left!
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    • MICROSOFT WINDOWS XP PROFESSIONAL w/SP2 FULL OPERATING SYSTEM MS WIN PRO=SEALED= - Image 1 of 4
    • MICROSOFT WINDOWS XP PROFESSIONAL w/SP2 FULL OPERATING SYSTEM MS WIN PRO=SEALED= - Image 2 of 4
    • MICROSOFT WINDOWS XP PROFESSIONAL w/SP2 FULL OPERATING SYSTEM MS WIN PRO=SEALED= - Image 3 of 4
    • MICROSOFT WINDOWS XP PROFESSIONAL w/SP2 FULL OPERATING SYSTEM MS WIN PRO=SEALED= - Image 4 of 4

    MICROSOFT WINDOWS XP PROFESSIONAL w/SP2 FULL OPERATING SYSTEM MS WIN PRO=SEALED=

    Brand New · Microsoft
    $89.96
    Was: $99.95was - US $99.95
    or Best Offer
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    Only 1 left!
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    • MICROSOFT WINDOWS XP PROFESSIONAL FULL OPERATING SYSTEM MS WIN PRO =NEW SEALED= - Image 1 of 4
    • MICROSOFT WINDOWS XP PROFESSIONAL FULL OPERATING SYSTEM MS WIN PRO =NEW SEALED= - Image 2 of 4
    • MICROSOFT WINDOWS XP PROFESSIONAL FULL OPERATING SYSTEM MS WIN PRO =NEW SEALED= - Image 3 of 4
    • MICROSOFT WINDOWS XP PROFESSIONAL FULL OPERATING SYSTEM MS WIN PRO =NEW SEALED= - Image 4 of 4

    MICROSOFT WINDOWS XP PROFESSIONAL FULL OPERATING SYSTEM MS WIN PRO =NEW SEALED=

    Brand New · Microsoft
    $99.95
    or Best Offer
    Free shipping
    Only 1 left!
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  • MS Windows 11 Pro Professional Full Version 64-bit CD & Key. - Image 1 of 1

    MS Windows 11 Pro Professional Full Version 64-bit CD & Key.

    Brand New · Microsoft
    (45)
    $35.00
    or Best Offer
    Trending at $43.99

    eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.

    Free shipping
    202 sold
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  • Microsoft Windows XP Professional x64 64 Bit Full English Vers. MS WIN PRO =NEW= - Image 1 of 4

    Microsoft Windows XP Professional x64 64 Bit Full English Vers. MS WIN PRO =NEW=

    New (Other) · Microsoft
    $237.45
    Was: $249.95was - US $249.95
    or Best Offer
    $4.95 shipping
    Only 1 left!
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  • Microsoft WINDOWS 98 Upgrade CD-ROM (Disc Unopened) In Box w/Manual & Inserts - Image 1 of 4

    Microsoft WINDOWS 98 Upgrade CD-ROM (Disc Unopened) In Box w/Manual & Inserts

    New (Other) · Microsoft
    $49.99
    $7.03 shipping
    10 watching
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  • MICROSOFT WINDOWS XP HOME FULL OPERATING SYSTEM OS MS WIN =BRAND NEW= - Image 1 of 3

    MICROSOFT WINDOWS XP HOME FULL OPERATING SYSTEM OS MS WIN =BRAND NEW=

    New (Other) · Microsoft
    $94.95
    Was: $99.95was - US $99.95
    or Best Offer
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  • MICROSOFT WINDOWS 98 SECOND EDITION FULL OPERATING SYSTEM WIN 98 SE =NEW= - Image 1 of 4

    MICROSOFT WINDOWS 98 SECOND EDITION FULL OPERATING SYSTEM WIN 98 SE =NEW=

    New (Other) · Microsoft
    $79.95
    Free shipping
    Only 1 left!
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  • MICROSOFT WINDOWS 2000 PROFESSIONAL FULL OPERATING SYSTEM MS WIN PRO=NEW= - Image 1 of 4

    MICROSOFT WINDOWS 2000 PROFESSIONAL FULL OPERATING SYSTEM MS WIN PRO=NEW=

    New (Other) · Microsoft
    $75.95
    Was: $79.95was - US $79.95
    or Best Offer
    Free shipping
    Only 1 left!
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  • OEM Microsoft Windows 95 CD & Plus! USB Micron with Certificate of Authenticity - Image 1 of 4

    OEM Microsoft Windows 95 CD & Plus! USB Micron with Certificate of Authenticity

    Brand New · Microsoft
    $39.99
    $10.60 shipping
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  • MICROSOFT WINDOWS 98 FULL ENGLISH VERSION OPERATING SYSTEM MS WIN =NEW= - Image 1 of 4

    MICROSOFT WINDOWS 98 FULL ENGLISH VERSION OPERATING SYSTEM MS WIN =NEW=

    New (Other) · Microsoft
    $59.95
    Free shipping
    Only 1 left!
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  • **RARE** Microsoft Windows 95 Upgrade CD-ROM - Brand New / Factory Sealed / NOS - Image 1 of 3

    **RARE** Microsoft Windows 95 Upgrade CD-ROM - Brand New / Factory Sealed / NOS

    Brand New · Microsoft
    (3)
    $120.00
    $10.00 shipping
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  • MICROSOFT WINDOWS XP PROFESSIONAL w/SP2 FULL OPERATING SYSTEM MS WIN PRO 32 Bit - Image 1 of 4

    MICROSOFT WINDOWS XP PROFESSIONAL w/SP2 FULL OPERATING SYSTEM MS WIN PRO 32 Bit

    Brand New · Microsoft
    $64.95
    Free shipping
    343 sold
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  • MICROSOFT WINDOWS 98 FULL RETAIL ENGLISH VERSION MS WIN 98 =NEW= - Image 1 of 3

    MICROSOFT WINDOWS 98 FULL RETAIL ENGLISH VERSION MS WIN 98 =NEW=

    Pre-Owned · Microsoft
    $99.95
    Free shipping
    Only 1 left!
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  • Microsoft Windows 95 Upgrade, Un-opened in Original Wrapping - Image 1 of 2

    Microsoft Windows 95 Upgrade, Un-opened in Original Wrapping

    Brand New · Microsoft
    $19.95
    $5.22 shipping
    21 watching
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  • Vintage MICROSOFT WINDOWS 2000 Professional W/SP3 OS Operating System NEW SEALED - Image 1 of 2

    Vintage MICROSOFT WINDOWS 2000 Professional W/SP3 OS Operating System NEW SEALED

    Brand New · Microsoft
    $37.00
    or Best Offer
    Free shipping
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  • Windows 95 Special Edition New In Box Never Opened Shrink Wrapped & orig Tshirt - Image 1 of 4

    Windows 95 Special Edition New In Box Never Opened Shrink Wrapped & orig Tshirt

    Brand New · Microsoft
    $650.00
    or Best Offer
    $17.20 shipping
    25 watching
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  • Microsoft Windows 98 SE Second Edition New Sealed CD COA Product Key - Image 1 of 2

    New ListingMicrosoft Windows 98 SE Second Edition New Sealed CD COA Product Key

    Brand New · Microsoft
    $56.99
    or Best Offer
    Free shipping
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  • Dell Microsoft Windows XP Home Edition Version 2002 Reinstallation CD Sealed! - Image 1 of 3

    Dell Microsoft Windows XP Home Edition Version 2002 Reinstallation CD Sealed!

    New (Other) · Microsoft
    $7.00
    or Best Offer
    $7.47 shipping
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  • Windows ME Upgrade CD-ROM Millennium Edition w Product Key, Retro OS, WinME PC - Image 1 of 1

    Windows ME Upgrade CD-ROM Millennium Edition w Product Key, Retro OS, WinME PC

    Pre-Owned · Microsoft
    $18.57
    Was: $19.97was - US $19.97
    Free shipping
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  • Vintage MICROSOFT WINDOWS 2000 Professional W/Key NEW NOS - Image 1 of 2

    Vintage MICROSOFT WINDOWS 2000 Professional W/Key NEW NOS

    Brand New · Microsoft
    $29.60
    Was: $37.00was - US $37.00
    or Best Offer
    $4.47 shipping
    3 watching
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  • Microsoft Windows 95 OSR 2.1 CD-ROM + COA with Product ID / Install Key - Image 1 of 1

    Microsoft Windows 95 OSR 2.1 CD-ROM + COA with Product ID / Install Key

    Pre-Owned · Microsoft
    $42.00
    $4.99 shipping
    12 sold
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  • Microsoft Windows NT Server 4.0 Brand New Sealed Oracle 4.0.7 Export Edition - Image 1 of 4

    Microsoft Windows NT Server 4.0 Brand New Sealed Oracle 4.0.7 Export Edition

    Brand New · Microsoft
    $34.99
    or Best Offer
    Free shipping
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  • Microsoft Windows 98 Full English Version CD-ROM w/ Floppy Boot Disk X03-66598 - Image 1 of 4

    Microsoft Windows 98 Full English Version CD-ROM w/ Floppy Boot Disk X03-66598

    Brand New · Microsoft
    $39.68
    or Best Offer
    $11.62 shipping
    21 watching
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  • Vintage Microsoft Windows NT Server Version 4.0 BackOffice Small Business CD - Image 1 of 4

    Vintage Microsoft Windows NT Server Version 4.0 BackOffice Small Business CD

    Brand New · Microsoft
    $49.99
    Free shipping
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  • Microsoft Windows ME Millennium Edition UPGRADE Disc w/ Box - Image 1 of 2

    Microsoft Windows ME Millennium Edition UPGRADE Disc w/ Box

    Brand New · Microsoft
    $79.99
    $4.47 shipping
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  • Microsoft Windows NT 4.0 Full Version CD + Keycode & Installation 3.5" Floppies - Image 1 of 1

    Microsoft Windows NT 4.0 Full Version CD + Keycode & Installation 3.5" Floppies

    New (Other) · Microsoft
    $17.98
    $6.98 shipping
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  • MICROSOFT WINDOWS XP PROFESSIONAL 02 w/SP2 AND PRODUCT KEY FULL OPERATING SYSTEM - Image 1 of 1

    MICROSOFT WINDOWS XP PROFESSIONAL 02 w/SP2 AND PRODUCT KEY FULL OPERATING SYSTEM

    New (Other) · Microsoft
    $49.99
    $9.99 shipping
    35 watching
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  • MICROSOFT WINDOWS 2000 PROFESSIONAL w/SP4 FULL OPERATING SYSTEM MS WIN PRO =NEW= - Image 1 of 4

    MICROSOFT WINDOWS 2000 PROFESSIONAL w/SP4 FULL OPERATING SYSTEM MS WIN PRO =NEW=

    Brand New · Microsoft
    $142.45
    Was: $149.95was - US $149.95
    Free shipping
    Only 1 left!
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  • MICROSOFT WINDOWS 98 SECOND EDITION FULL OPERATING SYSTEM WIN 98 SE =NEW= - Image 1 of 4

    MICROSOFT WINDOWS 98 SECOND EDITION FULL OPERATING SYSTEM WIN 98 SE =NEW=

    Brand New · Microsoft
    $89.95
    Free shipping
    Only 1 left!
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  • MICROSOFT WINDOWS 2000 PROFESSIONAL FULL OPERATING SYSTEM MS WIN PRO=NEW SEALED= - Image 1 of 4

    MICROSOFT WINDOWS 2000 PROFESSIONAL FULL OPERATING SYSTEM MS WIN PRO=NEW SEALED=

    Brand New · Microsoft
    $94.95
    Was: $99.95was - US $99.95
    or Best Offer
    Free shipping
    Only 1 left!
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  • NEW Windows Server 2003 Microsoft Software IT History Sealed CD Standard Editon - Image 1 of 4

    NEW Windows Server 2003 Microsoft Software IT History Sealed CD Standard Editon

    New (Other) · Microsoft
    $21.00
    Was: $30.00was - US $30.00
    or Best Offer
    $10.00 shipping
    Only 1 left!
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  • Microsoft Windows 2000 Professional 1-2CPU OEM Software with SP 4 Sealed - Image 1 of 2

    Microsoft Windows 2000 Professional 1-2CPU OEM Software with SP 4 Sealed

    Brand New · Microsoft
    (2)
    $99.99
    $8.75 shipping
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  • WINDOWS XP HOME EDITION SP1 W/KEY & PRINTMASTER PREMIER 7.0 PC CD SOFTWARE LOT - Image 1 of 3

    New ListingWINDOWS XP HOME EDITION SP1 W/KEY & PRINTMASTER PREMIER 7.0 PC CD SOFTWARE LOT

    Pre-Owned · Microsoft
    $24.07
    Was: $32.10was - US $32.10
    or Best Offer
    Free shipping
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  • MICROSOFT WINDOWS 2000 PROFESSIONAL WITH SP4 FULL OPERATING SYSTEM MS WIN PRO - Image 1 of 4

    MICROSOFT WINDOWS 2000 PROFESSIONAL WITH SP4 FULL OPERATING SYSTEM MS WIN PRO

    New (Other) · Microsoft
    $123.45
    Was: $129.95was - US $129.95
    Free shipping
    Only 1 left!
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  • Microsoft Windows 98 Second Edition New Sealed CD w/ COA Product Key - Image 1 of 4

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