Although we can download Leaked version of Windows 7 Pre beta through torrent,but without an activation key, you can only use it up to 30 days trial.

It was found that the old Windows Vista Beta and RC product keys can be used for Windows 7 Pre-Beta which can activate it,but those keys are limited to activate up to 10 copies installed on a Pc.

But I Googled one article which share us list of 15 Multiple Activation Product Keys that you can use to activate your Windows 7 Pre beta both 32-bit and 64-bit editions.

These are the activation keys

J7PYM-6X6FJ-QRKYT-TW4KF-BY7H9
D67PP-QBKVV-6FWDJ-4K2XB-D4684
HQDKC-F3P6D-C9YYM-HRB89-QDBB7
76DX2-7YMCQ-K2WCP-672K2-BK44W
2RG93-6XVFJ-RKHQ7-D2RTT-3FMQT
TT63R-8JGWP-WWT97-R6WQC-4CVWY
YQJX6-D6TRM-VWBM7-PHDJK-YPXJH
Q7J7F-GQHBT-Q42RQ-2F8XV-2WKKM
KH4X7-JY8G7-RCD7G-BYDJW-YTPXH
WYBJ8-8QVP3-24R82-VV2VP-72Q9W
9DP2R-W78GJ-GJBKW-CKR46-H3WYT
CXB7F-WWCM4-BP9V3-2YH43-RK8Y6
W9BYV-K2TB8-4YDJT-QBQWP-KFDHB
WGDJW-B8DYC-WVKX4-6MKF4-B8PK8
2PHXF-9PBDW-D3WWY-CPDKD-XG87V

These Activation keys can be used unlimited times in unlimited different client PC.

[Via My Digital Life]

sai