Member Avatar for avadhraj12

I am installing windows 7 my hard disk is 250 GB can anybody suggest how much should be the participation for c drive....

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Short answer: plan the C: partition around how many programs and how much temporary/system activity Windows will need, not just the bare minimum. As noted, the OS, pagefile and housekeeping need room; ’s 125GB is a safe choice if you expect lots of software or games, but smaller allocations can work for light users.

Practical numbers for a 250GB disk (after format/overheads you’ll see slightly less):

  • Light user (web, office): C: 60–80GB, D: remaining (~170–190GB).
  • Typical user (several apps, some media): C: 100–120GB, D: rest.
  • Power user / gamers / dev work: C: 150–200GB, D: rest.
    These keep Windows, installed programs, updates and temp files comfortable without filling C:.

Tips and caveats:

  • Leave at least 10–15% free on C: for NTFS performance and System Restore/swap growth.
  • The pagefile and hibernation file can consume several GB. Moving the pagefile to D: is possible but prevents full crash-dump creation and can hurt performance; only do it if you know why.
  • Move user folders (Documents, Pictures, etc.) to D: via Properties → Location to keep profiles small and simplify backups.
  • Partitioning is not a backup. Keep regular backups or a system image on an external drive before making changes.

Recommended starting configuration for most people: C: 100GB (Windows + apps) and D: 150GB (data). That balances flexibility and safety while still giving room to grow.

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Member Avatar for mjdodd

google or msoft will give the minimum requirements. The obvious question is where and how many applications are you going to put on the hard disk. If on C: then you need to work out totals for all programs. If you are going to put applications and data on D: do remember that the paging file (or virtual computer if you use that will take up space as well. Windows likes to have space to itself for housekeeping.
M

Member Avatar for zelkea

I would recommend at least 125GB's.

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