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From 18 Av / 15 August until the 25 Av / 22 August (included), Otzar HaChochma’s Jerusalem offices will be closed for the summer vacation. ************* 20/07/2022: We are delighted to inform you of the Version 20 Update special offer - 30% discount off the regular price.

Order and Payment of the Hard disk version (Version 20.0) - Credit card payment

Now! On the occasion of Book Week - 30% discount on the price of the program

You can choose one of the two main versions of Otzar Hahochma and add on to them the extra packages should you so wish.

VIP Special!!!

With the purchase of a Bnei Torah/General version of Otzar HaHochma

1. Get your Vs.21.0 Update – at no extra charge.
2. Get the Chabad Seforim Bundle – at no extra charge.
3. Get an instant 45$ Discount with the purchase of one additional seforim bundle.
4. Get Priority Client Service

Now’s the best time to get your Otzar HaHochma Hard Drive!

Main Otzar HaHochma editions
General Otzar HaHochma 109,200 books $ 2,250 $1,575
Bnei Torah edition 102,400 books $ 2,000 $1,400
Meforshei HaOtzar available along with Otzar Hachochma purchasing only. $ 572
Meforshei HaOtzar Addition for existing customers click here
Additional packages: (Supplementary to main editions)
Mosad Harav Kook 1,175 books (889 in Bnei Torah Edition) $ 406 $375
Machon Yerushalayim 524 books $ 310
Ahavat Shalom Publishers 638 books $ 244
Machon Chochmat Shlomo 138 books $ 110
Machon Ofek
About Machon Ofek
69 books $ 185
Talmudic Encyclopedia Add-on from Yad HaRav Herzog 54 books $ 117
Kehot Publication Society (Chabad library) 7,330 books $ 100 $63
Zichron Aharon 150 books $ 178

Current chosen product:

General Otzar HaHochma

Current price: $1,575

Please fill in the form in order to purchase via credit card.

Write in full postal details for delivery

Please note - For technical reasons payment plan options are available for holders of Israeli credit card purchases.
Non-Israeli credit cards can be charged in only one full payment.

System requirements:

Operating system – supports Windows 8.1 and 10. Does not support Windows XP, 7 and 8.

Minimum requirements – We recommend INTEL or AMD Processor 3 GHz and higher.


Minimum requirements – 8 GB memory.

Disk space:-

20 giga free on the computer's internal disk.

For your attention - if your computer meets the minimum requirements you should know that the Otzar HaChochma will work slowly, especially if you have other programs open at the same time.