Which disc to buy?

I am upgrading my Vista 32 OS to W764. I was going to upgrade to W8 butdecided to go with W7. I installed it and am running the machine unactivated. Iwant to be able to buy the disc and just use that key to activate, noreinstall.

Last week I bought a full version of W8 from Wal-Mart. I plan to return itand possibly get my W7 disc from them. I'm confused about all the differentpricing of the discs.

W7HP32 for $94, W7HP64 (1 PC oem license and media) for $114, W7HP61 sp1 (oemsystem build version) for $89, W7pro32 (sp1) for $161, or W7pro64(sp1) for $134

So now I a little confused about which version I should get. I’m wonderingif there is an advantage to getting W7pro64 so I would upgrade to W10pro when Imake the jump. However with that disc would I have to do a fresh install orwould the new W7pro key automatically work with my current W7HP64 install?

Is there a reason not to buy the W7HP64sp1 (oem system build version) for $89, like maybe it does not include the key?

http://www.walmart.com/ip/36009634?reviews_limit=7&veh=dsn&wmlspartner=criteo&sourceid=cricpa123456789abcdefghijklmnopqrstuvwx yz?reviews_limit=7&

I don't know or even think I need pro but just looking at all options. My experience with oem versions and new (future) installs you can activate over phone your asked questions one is "How many computers is this copy installed on"

So my question is what is the difference between these two discs?



http://www.walmart.com/ip/41247329?reviews_limit=7&veh=dsn&wmlspartner=criteo&sourceid=cricpa123456789abcdefghijklmnopqrstuvwx yz?reviews_limit=7&



http://www.walmart.com/ip/36009634?reviews_limit=7&veh=dsn&wmlspartner=criteo&sourceid=cricpa123456789abcdefghijklmnopqrstuvwx yz?reviews_limit=7&

No it's a disc with free shipping or store pickup. They call it a"system build" so my guess is that it is for people who might be building and selling PCs that include an OS. I don't know if this would be a problem for me. It might require me to install off of that disc as oppose to just activating my current install with its key.

From what I have heard while Greg was around is System Builders should be able to use Software Recovery from MS. It is of course OEM otherwise and tied to the motherboard. The success of re-activation on a new computer depends on your country and the rep you talk to.

By the way, you can't upgrade 32bit to 64. This requires a clean install. Also, a key is valid for both 32 and 64 bit versions (you can install either). I could even install English 32 bit with a Turkish 64bit key, and activated without any issues.

I called MS and what a joke that was. I asked what is the difference betweenthese 2 versions. They were from India of coarse and only wanted to merge with my PC she kept calling a laptop. I asked “What is a OEM system buildversion” and she said “Can I have permission to view you laptop” I said that computer is not turned on right now and it went round and round.

So from reading the reviews it would seem that on the build version the key is tied to that machine only and you have problem or at least more complicated re-installs.

We do have people who use System Builders, I am sure they will post their wisdom.