Ans thanks for clearing this point because I didn't bought yet, I still have 98 days in my past license

Windows Server 2008 or 2012 (With your license).

That error is a WHMCS one.

can you install this license on "server Edition" ? like windows Server 2008/2012 ?

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I brought 4 license (4*3 = 12 PCs), 1 email account. I've used 9 key (Bit Defender Total Security 2016). I've no problem with my activation key, maybe I'm lucky?

Do you have a specific location or budget? We can do the following for you in France or Canada, but you must use your own Windows license:

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OnraHost Plans are great and best option for a free WHMCS, but i recommend you to use your own VPS ( get it from onra ) and use it over that.

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I believe you can add other currencies to WHMCS and on the payment options just have it convert the payments to your currency, I believe that is possible or it might only be for converting other curre

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What does "Few" in "Few WHMCS Billing System" mean?

to avoid paying 35 $ for cpanel so i used my vps license

Just to confirm, if you're going to use our 60OFFWHT promo, WHMCS is included on our Basic package (50GB SSD disk space) for $10/month. The mini plan with 60OFFWHT does NOT include it.

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WHMCS starts from basic plan according to that offer, perhaps you should wait until @OnraHost confirms this for all. I may get one also.

Nop, All plans include WHMCS, including there mini plan $5.99, but it says "Few WHMCS billing system", what does "Few" mean?

have your own license?

You can sell unlimited accounts using WHMCS. The limit only applies to their reseller hosting account (cpanel accounts in WHM).